Long ContextActive
Trust Score:
80

LongBench-Pro

Realistic bilingual long-context benchmark with 1,500 natural samples across 11 primary and 25 secondary tasks from 8k to 256k tokens.

Launched: —Refresh: static
Status Assessment (active):

Newer than LongBench v1/v2 and designed for more realistic, bilingual, fine-grained long-context analysis across 8k-256k token inputs.

Performance Timeline

Longitudinal progression of model scores against human baselines.

Performance & Historical Trajectory

Empirical score progression across model release dates and evaluation rounds.

Independent Vendor-Reported Human Baseline (75.0%)
ModelScoreDateSource TypeProvenance
MiMo-V2.6-Flash70.8%2026-09-12independentSource ↗
Claude Opus 5.567.9%2026-09-12independentSource ↗
Qwen 3.8 Max Prime64%2026-09-12independentSource ↗
Nemotron 3.5 Super VL66.4%2026-09-12independentSource ↗
Gemini 4 Argon72.6%2026-09-12independentSource ↗
Claude Haiku 5.566.4%2026-09-12independentSource ↗
Nano Banana 2.172.6%2026-09-12independentSource ↗
Mistral Large 469.7%2026-09-12independentSource ↗
GPT-6.1 Sol Pro72.6%2026-09-12independentSource ↗
GPT-6.1 Sol72.6%2026-09-12independentSource ↗
Claude Sonnet 5.572.6%2026-09-12independentSource ↗
Z.ai: GLM 5.3 Prime72.6%2026-09-12independentSource ↗
GPT-6 Luna Pro66.4%2026-09-12independentSource ↗
GPT-6 Luna66.4%2026-09-12independentSource ↗
GPT-6 Sol Pro72.6%2026-09-12independentSource ↗
GPT-6 Sol72.6%2026-09-12independentSource ↗
Claude Opus 5.575%2026-09-12independentSource ↗
Xiaomi: MiMo-V2.6-Pro-UltraSpeed72.6%2026-09-12independentSource ↗
Xiaomi: MiMo-V2.6-Flash66.4%2026-09-12independentSource ↗
Xiaomi: MiMo-V2.6-Pro66.4%2026-09-12independentSource ↗
Z.ai: GLM 5.3 FlashX69.7%2026-09-12independentSource ↗
DeepSeek V4.1 Flash66.4%2026-09-12independentSource ↗
GPT-6 Astra75%2026-09-12independentSource ↗
GPT-6 Astra Pro75%2026-09-12independentSource ↗
Gemini 3.8 Flash72.6%2026-09-12independentSource ↗
Claude Fable 5.175%2026-09-12independentSource ↗
Claude Sonnet 5.577.5%2026-09-12independentSource ↗
Claude Haiku 5.573%2026-09-12independentSource ↗
GPT-6.1 Sol Pro79.1%2026-09-12independentSource ↗
GPT-6 Luna77.1%2026-09-12independentSource ↗
Gemini 4 Argon78.7%2026-09-12independentSource ↗
Gemini 3.8 Flash76.9%2026-09-12independentSource ↗
Qwen 3.8 Max Prime76.3%2026-09-12independentSource ↗
DeepSeek V4.1 Flash 101766.4%2026-09-12independentSource ↗
GPT-6.1 Terra Pro72.6%2026-09-12independentSource ↗
GPT-6.1 Terra72.6%2026-09-12independentSource ↗
MoonshotAI: Kimi K3.1 Pro72.6%2026-09-12independentSource ↗
MiniMax: MiniMax M3.1 Flash66.4%2026-09-12independentSource ↗
Muse Spark Open72.6%2026-09-12independentSource ↗
LiquidAI: LFM2.5-24B-A2B66.4%2026-09-12independentSource ↗
Muse Wonder75%2026-09-12independentSource ↗
Qwen: Qwen3.8 Max Prime75%2026-09-12independentSource ↗
Upstage: Solar Mini 463.1%2026-09-12independentSource ↗
SpaceXAI: Grok 4.772.6%2026-09-12independentSource ↗
Qwen: Qwen3.8 Omni Flash66.4%2026-09-12independentSource ↗
Qwen: Qwen3.8 Max (0902)72.6%2026-09-12independentSource ↗
Muse Spark 1.3 Contributor63.1%2026-09-12independentSource ↗
Muse Spark 1.372.6%2026-09-12independentSource ↗
Hy475.8%2026-09-10independentSource ↗
Hy469.7%2026-09-10independentSource ↗
GLM 5.3 Flash76.8%2026-09-09independentSource ↗
Z.ai: GLM 5.3 Flash66.4%2026-09-09independentSource ↗
Qwen: Qwen3.8 Flash66.4%2026-09-09independentSource ↗
DeepSeek V4 Flash Vision Exp66.4%2026-09-04independentSource ↗
DeepSeek V4-Pro75.6%2026-08-30independentSource ↗
DeepSeek V4-Flash72.2%2026-08-30independentSource ↗
Z.ai: GLM 5.372.6%2026-08-30independentSource ↗
Claude Fable 5.177.7%2026-08-29independentSource ↗
Qwen: Qwen3.8 27B69.7%2026-08-28independentSource ↗
Gemini 3.7 Flash76.4%2026-08-27independentSource ↗
Gemini 3.7 Flash72.6%2026-08-27independentSource ↗
DeepSeek V4 Pro 081372.6%2026-08-27independentSource ↗
Grok 4.676.3%2026-08-26independentSource ↗
Qwen: Qwen3.8 2.4T A95B72.6%2026-08-26independentSource ↗
LiquidAI: LFM2.5-2.6B66.4%2026-08-25independentSource ↗
ByteDance Seed: Seed 2.1 Turbo69.7%2026-08-24independentSource ↗
SpaceXAI: Grok 4.672.6%2026-08-24independentSource ↗
Muse Glimmer 30B69.7%2026-08-24independentSource ↗
GPT-576.9%2026-08-21independentSource ↗
Nemotron 3.5 Lightning63.1%2026-08-21independentSource ↗
GPT-5 Image Mini69.7%2026-08-21independentSource ↗
GPT-5 Image72.6%2026-08-21independentSource ↗
Muse Spark 1.2 Contributor63.1%2026-08-19independentSource ↗
Muse Spark 1.272.6%2026-08-19independentSource ↗
DeepSeek V4.1 Flash76.7%2026-08-15independentSource ↗
Space Bunny Alpha74.8%2026-08-15independentSource ↗
DeepSeek V4 Flash 073172.8%2026-08-14independentSource ↗
DeepSeek V4 Flash 073169.7%2026-08-14independentSource ↗
ByteDance Seed: Seed-2.0-Code69.7%2026-08-13independentSource ↗
GPT-6 Astra77.2%2026-08-11independentSource ↗
Qwen: Qwen3.7 Flash63.1%2026-08-10independentSource ↗
Kimi K376.7%2026-08-09independentSource ↗
Claude Opus 577.7%2026-08-07independentSource ↗
Claude Sonnet 576.1%2026-08-07independentSource ↗
Claude Opus 575%2026-08-06independentSource ↗
Gemini 3.6 Flash75.3%2026-08-04independentSource ↗
Gemini 3.5 Flash-Lite71.8%2026-08-04independentSource ↗
Gemini 3.6 Flash72.6%2026-08-04independentSource ↗
Gemini 3.5 Flash Lite69.7%2026-08-04independentSource ↗
MoonshotAI: Kimi K375%2026-07-29independentSource ↗
GPT-5.6 Sol78.3%2026-07-23independentSource ↗
GPT-5.5 Thinking77.1%2026-07-23independentSource ↗
GPT-5.6 Luna73.8%2026-07-23independentSource ↗
GPT-5.6 Luna Pro69.7%2026-07-23independentSource ↗
GPT-5.6 Luna69.7%2026-07-23independentSource ↗
GPT-5.6 Terra Pro75%2026-07-23independentSource ↗
GPT-5.6 Terra75%2026-07-23independentSource ↗
GPT-5.6 Sol Pro75%2026-07-23independentSource ↗
GPT-5.6 Sol75%2026-07-23independentSource ↗
Muse Spark 1.172.6%2026-07-23independentSource ↗
SpaceXAI: Grok 4.572.6%2026-07-22independentSource ↗
Hy366.4%2026-07-20independentSource ↗
Claude Sonnet 572.6%2026-07-14independentSource ↗
Gemini 3.1 Flash Lite Image69.7%2026-07-14independentSource ↗
MiniMax M373.4%2026-07-09independentSource ↗
Qwen3-235B75%2026-07-02independentSource ↗
QwQ Plus74.5%2026-07-02independentSource ↗
Z.ai: GLM 5.269.7%2026-06-30independentSource ↗
Grok 476.7%2026-06-29independentSource ↗
GLM-5.274.2%2026-06-26independentSource ↗
MoonshotAI: Kimi K2.7 Code72.6%2026-06-26independentSource ↗
Claude Fable 578.7%2026-06-23independentSource ↗
Claude Fable 575%2026-06-23independentSource ↗
Nemotron 3 Ultra71.8%2026-06-18independentSource ↗
Nemotron 3.5 Content Safety63.1%2026-06-18independentSource ↗
Nemotron 3 Ultra69.7%2026-06-18independentSource ↗
Qwen: Qwen3.7 Plus69.7%2026-06-16independentSource ↗
MiniMax: MiniMax M369.7%2026-06-14independentSource ↗
Gemini 3.1 Flash Image69.7%2026-06-11independentSource ↗
Gemini 3 Pro Image (Nano Banana Pro)75%2026-06-11independentSource ↗
Claude Opus 4.875%2026-06-11independentSource ↗
Qwen: Qwen3.7 Max72.6%2026-06-03independentSource ↗
SpaceXAI: Grok Build 0.169.7%2026-06-03independentSource ↗
Gemini 3.5 Flash72.6%2026-06-02independentSource ↗
Gemini 3 Pro75.9%2026-06-01independentSource ↗
Gemini 3.1 Flash Lite69.7%2026-05-21independentSource ↗
GPT Chat Latest75%2026-05-19independentSource ↗
Command A+69.7%2026-05-15independentSource ↗
Mistral Medium 3.572.6%2026-05-14independentSource ↗
SpaceXAI: Grok 4.369.7%2026-05-14independentSource ↗
Qwen: Qwen3.6 Flash69.7%2026-05-11independentSource ↗
GPT-5.5 Pro75%2026-05-07independentSource ↗
GPT-5.575%2026-05-07independentSource ↗
DeepSeek V4 Pro 042369.7%2026-05-07independentSource ↗
DeepSeek V4 Flash 042363.1%2026-05-07independentSource ↗
MiMo-V2.569.9%2026-05-06independentSource ↗
Xiaomi: MiMo-V2.5-Pro66.4%2026-05-06independentSource ↗
Xiaomi: MiMo-V2.566.4%2026-05-06independentSource ↗
Qwen: Qwen3.6 27B69.7%2026-05-06independentSource ↗
Hy366.4%2026-05-05independentSource ↗
GPT-5.4 Image 275%2026-05-05independentSource ↗
Qwen: Qwen3.5 Plus 2026-04-2069.7%2026-05-04independentSource ↗
MoonshotAI: Kimi K2.672.6%2026-05-04independentSource ↗
Claude Opus 4.775%2026-04-30independentSource ↗
Qwen: Qwen3.6 35B A3B66.4%2026-04-29independentSource ↗
Z.ai: GLM 5.172.6%2026-04-20independentSource ↗
Gemma 4 26B A4B66.4%2026-04-17independentSource ↗
Gemma 4 31B66.4%2026-04-16independentSource ↗
Qwen: Qwen3.6 Plus69.7%2026-04-16independentSource ↗
Z.ai: GLM 5V Turbo72.6%2026-04-15independentSource ↗
Lyria 3 Pro63.1%2026-04-13independentSource ↗
Lyria 3 Clip63.1%2026-04-13independentSource ↗
MiniMax: MiniMax M2.769.7%2026-04-01independentSource ↗
GPT-5.4 Nano69.7%2026-03-31independentSource ↗
GPT-5.4 Mini72.6%2026-03-31independentSource ↗
Z.ai: GLM 5 Turbo72.6%2026-03-29independentSource ↗
Qwen: Qwen3.5-9B66.4%2026-03-24independentSource ↗
SpaceXAI: Grok 4.20 Multi-Agent69.7%2026-03-23independentSource ↗
SpaceXAI: Grok 4.2069.7%2026-03-23independentSource ↗
ByteDance Seed: Seed-2.0-Lite69.7%2026-03-23independentSource ↗
GPT-5.4 Pro75%2026-03-19independentSource ↗
GPT-5.475%2026-03-19independentSource ↗
Gemini 3.1 Flash Lite69.7%2026-03-17independentSource ↗
Gemini 3.1 Flash Image69.7%2026-03-12independentSource ↗
GPT-5.3-Codex75%2026-03-10independentSource ↗
ByteDance Seed: Seed-2.0-Mini66.4%2026-03-10independentSource ↗
Qwen: Qwen3.5-35B-A3B66.4%2026-03-10independentSource ↗
Qwen: Qwen3.5-27B69.7%2026-03-10independentSource ↗
Qwen: Qwen3.5-122B-A10B69.7%2026-03-10independentSource ↗
Qwen: Qwen3.5-Flash66.4%2026-03-10independentSource ↗
Gemini 3.1 Pro Custom Tools75%2026-03-05independentSource ↗
Gemini 3.1 Pro75%2026-03-05independentSource ↗
Claude Sonnet 4.675%2026-03-03independentSource ↗
Qwen: Qwen3.5 Plus 2026-02-1569.7%2026-03-02independentSource ↗
Qwen: Qwen3.5 397B A17B72.6%2026-03-02independentSource ↗
Z.ai: GLM 572.6%2026-02-25independentSource ↗
MiniMax: MiniMax M2.566.4%2026-02-25independentSource ↗
Claude Opus 4.675%2026-02-19independentSource ↗
MoonshotAI: Kimi K2.569.7%2026-02-10independentSource ↗
MiniMax: MiniMax M2-her69.7%2026-02-06independentSource ↗
Z.ai: GLM 4.7 Flash66.4%2026-02-02independentSource ↗
GPT-5.2-Codex75%2026-01-28independentSource ↗
Gemini-2.5-Pro73.42%2026-01-06independentSource ↗
GPT-572.61%2026-01-06independentSource ↗
Qwen3-235B-A22B-Thinking-250766.97%2026-01-06independentSource ↗
Qwen3-Next-80B-A3B-Thinking63.95%2026-01-06independentSource ↗
DeepSeek-R1-052861.89%2026-01-06independentSource ↗
DeepSeek-R160.07%2026-01-06independentSource ↗
Qwen3-30B-A3B-Thinking-250759.68%2026-01-06independentSource ↗
Claude-4-Sonnet56.07%2026-01-06independentSource ↗
Gemini-2.5-Flash55.92%2026-01-06independentSource ↗
MiniMax-M253.21%2026-01-06independentSource ↗
MiniMax: MiniMax M2.169.7%2026-01-06independentSource ↗
Z.ai: GLM 4.769.7%2026-01-05independentSource ↗
o375.4%2026-01-03independentSource ↗
Gemini 3 Flash69.7%2025-12-31independentSource ↗
GPT-5.2 Chat75%2025-12-25independentSource ↗
GPT-5.2 Pro75%2025-12-25independentSource ↗
GPT-5.275%2025-12-25independentSource ↗
Z.ai: GLM 4.6V66.4%2025-12-22independentSource ↗
GPT-5.1-Codex-Max72.6%2025-12-18independentSource ↗
DeepSeek V3.266.4%2025-12-15independentSource ↗
Claude Opus 4.575%2025-12-08independentSource ↗
Gemini 3 Pro Image (Nano Banana Pro)75%2025-12-04independentSource ↗
GPT-5.172.6%2025-11-27independentSource ↗
GPT-5.1-Codex72.6%2025-11-27independentSource ↗
GPT-5.1-Codex-Mini69.7%2025-11-27independentSource ↗
Mistral Large 370.5%2025-11-26independentSource ↗
MoonshotAI: Kimi K2 Thinking69.7%2025-11-20independentSource ↗
MiniMax: MiniMax M269.7%2025-11-06independentSource ↗
Qwen: Qwen3 VL 8B Instruct66.4%2025-10-28independentSource ↗
GPT-5 Pro75%2025-10-20independentSource ↗
Qwen: Qwen3 VL 30B A3B Thinking66.4%2025-10-20independentSource ↗
Qwen: Qwen3 VL 30B A3B Instruct66.4%2025-10-20independentSource ↗
Claude Haiku 4.572.6%2025-10-15independentSource ↗
Claude Sonnet 4.575%2025-10-13independentSource ↗
Qwen: Qwen3 VL 235B A22B Instruct69.7%2025-10-07independentSource ↗
Qwen: Qwen3 Coder Flash66.4%2025-10-01independentSource ↗
Qwen: Qwen3 Next 80B A3B Instruct69.7%2025-09-25independentSource ↗
MoonshotAI: Kimi K2 090569.7%2025-09-18independentSource ↗
GPT-572.6%2025-08-21independentSource ↗
GPT-5 Mini69.7%2025-08-21independentSource ↗
GPT-5 Nano66.4%2025-08-21independentSource ↗
Claude 4.1 Opus75%2025-08-19independentSource ↗
Qwen: Qwen3 Coder 30B A3B Instruct66.4%2025-08-14independentSource ↗
Qwen: Qwen3 30B A3B Instruct 250766.4%2025-08-12independentSource ↗
Qwen: Qwen3 235B A22B Thinking 250772.6%2025-08-08independentSource ↗
Qwen: Qwen3 Coder 480B A35B66.4%2025-08-06independentSource ↗
ByteDance: UI-TARS 7B63.1%2025-08-05independentSource ↗
Qwen: Qwen3 235B A22B Instruct 250766.4%2025-08-04independentSource ↗
MoonshotAI: Kimi K2 071169.7%2025-07-25independentSource ↗
ByteDance Seed: Seed 1.6 Flash66.4%2025-07-09independentSource ↗
ByteDance Seed: Seed 1.669.7%2025-07-09independentSource ↗
MiniMax: MiniMax M169.7%2025-07-01independentSource ↗
Sarvam 105B72.6%2025-06-29independentSource ↗
o3 Pro75%2025-06-24independentSource ↗
Sarvam Vision (Document AI)68.5%2025-06-03independentSource ↗
Amazon Nova 2 Lite67.2%2025-06-01independentSource ↗
Amazon Nova 2 Lite65.9%2025-06-01independentSource ↗
Qwen: Qwen3 30B A3B66.4%2025-05-12independentSource ↗
Qwen: Qwen3 14B66.4%2025-05-12independentSource ↗
Qwen: Qwen3 32B66.4%2025-05-12independentSource ↗
o4 Mini High72.6%2025-04-30independentSource ↗
o372.6%2025-04-30independentSource ↗
o4 Mini72.6%2025-04-30independentSource ↗
Muse Wonder76.1%2025-04-29independentSource ↗
Muse Wonder Full78.1%2025-04-29independentSource ↗
GPT-4.172.6%2025-04-28independentSource ↗
GPT-4.1 Mini69.7%2025-04-28independentSource ↗
GPT-4.1 Nano66.4%2025-04-28independentSource ↗
Gemma 3 27B69%2025-04-26independentSource ↗
Nemotron 3 Ultra 550B74.8%2025-04-24independentSource ↗
Sarvam 30B69%2025-04-24independentSource ↗
Llama 4 Maverick74%2025-04-19independentSource ↗
Llama 4 Scout73.1%2025-04-19independentSource ↗
Gemini 2.5 Pro74.8%2025-04-08independentSource ↗
Gemini 2.5 Pro72.6%2025-04-08independentSource ↗
Gemini 2.5 Pro 06-0572.6%2025-04-08independentSource ↗
Microsoft-Decision-171.2%2025-04-05independentSource ↗
Nemotron 3 Super 120B69.7%2025-04-03independentSource ↗
OpenAI Decisions API75.8%2025-04-01independentSource ↗
Jev 1.1473.6%2025-03-28independentSource ↗
Krutrim-270.8%2025-03-26independentSource ↗
Reka Flash 363.1%2025-03-26independentSource ↗
Amazon Nova Premier 1.074.5%2025-03-24independentSource ↗
Amazon: Nova Premier 1.075%2025-03-24independentSource ↗
QwQ 32B70.6%2025-03-19independentSource ↗
Saaras v3 (Speech-to-Text)67.2%2025-03-15independentSource ↗
Phi-4-multimodal66%2025-03-14independentSource ↗
GPT-4.571.3%2025-03-13independentSource ↗
Claude 3.7 Sonnet75.9%2025-03-10independentSource ↗
Grok 373.6%2025-03-03independentSource ↗
Grok 3 Mini69.9%2025-03-03independentSource ↗
Phi-4-mini61.7%2025-03-01independentSource ↗
Perplexity: Sonar Deep Research72.6%2025-02-28independentSource ↗
Gemini 2.5 Flash (Thinking)72.2%2025-02-24independentSource ↗
Perplexity: Sonar Reasoning Pro72.6%2025-02-20independentSource ↗
Gemini 2.0 Pro70.9%2025-02-19independentSource ↗
Gemini 2.0 Flash67.3%2025-02-19independentSource ↗
Sonar Reasoning Pro74%2025-02-19independentSource ↗
Qwen: Qwen3 Coder Next66.4%2025-02-17independentSource ↗
o3-mini73.4%2025-02-14independentSource ↗
o3 Mini High72.6%2025-02-14independentSource ↗
o3 Mini72.6%2025-02-14independentSource ↗
Qwen 2.5 Max70.4%2025-02-11independentSource ↗
Qwen: Qwen2.5 VL 72B Instruct66.4%2025-02-09independentSource ↗
Qwen: Qwen-Plus66.4%2025-02-08independentSource ↗
Ollama DeepSeek-R1 (Q4_K_M)73.9%2025-02-05independentSource ↗
Perplexity: Sonar Pro Search75%2025-02-04independentSource ↗
Perplexity: Sonar Pro75%2025-02-04independentSource ↗
DeepSeek-R174.6%2025-02-03independentSource ↗
Gemini 2.0 Flash Thinking72.1%2025-02-03independentSource ↗
Kimi k1.568.9%2025-02-03independentSource ↗
R1 052869.7%2025-02-03independentSource ↗
MiniMax-Text-0167.2%2025-01-29independentSource ↗
MiniMax: MiniMax-0169.7%2025-01-29independentSource ↗
Codestral 25.0164.4%2025-01-28independentSource ↗
DeepSeek-V367.6%2025-01-09independentSource ↗
DeepSeek V3.2 Exp66.4%2025-01-09independentSource ↗
DeepSeek V3.1 Terminus66.4%2025-01-09independentSource ↗
DeepSeek V3.166.4%2025-01-09independentSource ↗
DeepSeek V3 032469.7%2025-01-09independentSource ↗
DeepSeek V369.7%2025-01-09independentSource ↗
o175%2024-12-31independentSource ↗
Sonar Pro68.9%2024-12-24independentSource ↗
Ollama Llama 3.3 (Q4_K_M)68.7%2024-12-22independentSource ↗
Llama 3.3 70B66.3%2024-12-20independentSource ↗
Llama 3.3 70B Instruct69.3%2024-12-20independentSource ↗
Llama 3.3 70B Instruct66.4%2024-12-20independentSource ↗
o171.5%2024-12-19independentSource ↗
o1-pro75%2024-12-19independentSource ↗
Amazon Nova Pro67.6%2024-12-17independentSource ↗
Amazon Nova Lite61.5%2024-12-17independentSource ↗
Amazon Nova Pro 1.070.1%2024-12-17independentSource ↗
Amazon Nova Lite 1.065.2%2024-12-17independentSource ↗
Amazon Nova Micro 1.059.9%2024-12-17independentSource ↗
Amazon: Nova Lite 1.066.4%2024-12-17independentSource ↗
Amazon: Nova Micro 1.063.1%2024-12-17independentSource ↗
Amazon: Nova Pro 1.072.6%2024-12-17independentSource ↗
Command R7B (12-2024)63.1%2024-12-15independentSource ↗
QwQ-32B72.7%2024-12-12independentSource ↗
Solar Pro64%2024-12-04independentSource ↗
Krutrim Pro68.1%2024-12-04independentSource ↗
GPT-4o72.6%2024-12-04independentSource ↗
Upstage: Solar Pro 466.4%2024-12-04independentSource ↗
Jev72.6%2024-11-29independentSource ↗
Sonar Large66.4%2024-11-29independentSource ↗
Sonar66.4%2024-11-29independentSource ↗
TypeSafe: Jev Router63.1%2024-11-29independentSource ↗
Perplexity: Sonar66.4%2024-11-29independentSource ↗
Qwen 2.5 Coder 32B66.8%2024-11-26independentSource ↗
Qwen2.5 Coder 32B Instruct66.4%2024-11-26independentSource ↗
Hunyuan-Large69.3%2024-11-19independentSource ↗
Claude 3.5 Haiku62.7%2024-11-18independentSource ↗
Claude 3.5 Sonnet69.4%2024-11-05independentSource ↗
Claude 3.5 Sonnet (v2)72.1%2024-11-05independentSource ↗
BharatGPT-14B66.6%2024-11-01independentSource ↗
Llama-3.1-Nemotron-70B-Instruct70.4%2024-10-29independentSource ↗
Llama 3.2 1B Instruct66.4%2024-10-09independentSource ↗
Llama 3.2 3B Instruct66.4%2024-10-09independentSource ↗
Qwen 2.5 72B Instruct70.1%2024-10-03independentSource ↗
Qwen: Qwen2.5 7B Instruct63.1%2024-10-03independentSource ↗
Qwen2.5 72B Instruct66.4%2024-10-03independentSource ↗
Switchyard63.1%2024-09-29independentSource ↗
Mistral Small 466.4%2024-09-29independentSource ↗
GPT Audio72.6%2024-09-29independentSource ↗
GPT Audio Mini69.7%2024-09-29independentSource ↗
Nemotron 3 Nano 30B A3B66.4%2024-09-29independentSource ↗
Devstral 2 251269.7%2024-09-29independentSource ↗
Ministral 3 14B 251263.1%2024-09-29independentSource ↗
Ministral 3 8B 251263.1%2024-09-29independentSource ↗
Ministral 3 3B 251263.1%2024-09-29independentSource ↗
Voxtral Small 24B 250766.4%2024-09-29independentSource ↗
gpt-oss-safeguard-20b66.4%2024-09-29independentSource ↗
Gemini 2.5 Flash Image69.7%2024-09-29independentSource ↗
Z.ai: GLM 4.669.7%2024-09-29independentSource ↗
Mistral Medium 3.169.7%2024-09-29independentSource ↗
Z.ai: GLM 4.5V69.7%2024-09-29independentSource ↗
gpt-oss-120b66.4%2024-09-29independentSource ↗
gpt-oss-20b63.1%2024-09-29independentSource ↗
Codestral 250866.4%2024-09-29independentSource ↗
Z.ai: GLM 4.569.7%2024-09-29independentSource ↗
Z.ai: GLM 4.5 Air66.4%2024-09-29independentSource ↗
Gemini 2.5 Flash Lite66.4%2024-09-29independentSource ↗
Hunyuan A13B Instruct66.4%2024-09-29independentSource ↗
Mistral Small 3.2 24B66.4%2024-09-29independentSource ↗
Gemini 2.5 Flash69.7%2024-09-29independentSource ↗
Mistral Medium 369.7%2024-09-29independentSource ↗
Llama Guard 4 12B63.1%2024-09-29independentSource ↗
Llama 4 Maverick66.4%2024-09-29independentSource ↗
Llama 4 Scout66.4%2024-09-29independentSource ↗
Mistral Small 3.1 24B66.4%2024-09-29independentSource ↗
Gemma 3 4B63.1%2024-09-29independentSource ↗
Gemma 3 12B63.1%2024-09-29independentSource ↗
Gemma 3 27B66.4%2024-09-29independentSource ↗
Saba66.4%2024-09-29independentSource ↗
Mistral Small 363.1%2024-09-29independentSource ↗
Mistral Nemo63.1%2024-09-29independentSource ↗
Mixtral 8x22B Instruct72.6%2024-09-29independentSource ↗
GPT-4 Turbo75%2024-09-29independentSource ↗
Mistral Large72.6%2024-09-29independentSource ↗
GLM-4-Plus66.4%2024-09-03independentSource ↗
Sarvam 2B (Sarvam-1)62.7%2024-08-28independentSource ↗
GPT-4o72.6%2024-08-20independentSource ↗
Command R (08-2024)66.4%2024-08-15independentSource ↗
Mistral Large 264.9%2024-08-07independentSource ↗
Mistral Large 269%2024-08-07independentSource ↗
Mistral Large 3 251269.7%2024-08-07independentSource ↗
Llama 3.1 405B67.2%2024-08-06independentSource ↗
Llama 3.1 70B Instruct66.4%2024-08-06independentSource ↗
Llama 3.1 8B Instruct63.1%2024-08-06independentSource ↗
GPT-4o mini59.4%2024-08-01independentSource ↗
GPT-4o-mini66.4%2024-08-01independentSource ↗
GPT-4o-mini66.4%2024-08-01independentSource ↗
ERNIE 4.0 Turbo66.8%2024-07-12independentSource ↗
Hanooman 7B64.8%2024-05-29independentSource ↗
Gemini 1.5 Flash58.2%2024-05-28independentSource ↗
GPT-4o66.7%2024-05-27independentSource ↗
GPT-4o72.6%2024-05-27independentSource ↗
GPT-4o75%2024-05-27independentSource ↗
Reka Core65.2%2024-04-29independentSource ↗
WizardLM-2 8x22B67.2%2024-04-29independentSource ↗
Command R+60.7%2024-04-18independentSource ↗
DBRX Instruct63.1%2024-04-10independentSource ↗
Claude 3 Opus64%2024-03-18independentSource ↗
Gemini 1.5 Pro63.6%2024-02-29independentSource ↗
Nemotron 3 Super66.4%2023-03-25independentSource ↗

Human Baseline & Difficulty Horizon

Calibrated human reference points, specialist benchmarks, and ceiling thresholds.
Measured Human Score75.0%Domain Expert Baseline
Baseline Protocol & Interpretation

Measured human performance on professional long-context document analysis.

Metric & Scoring Methodology

Verification protocols, aggregation formulas, and specialized metric variants.
Primary Metric:normalized task-specific aggregate
Scoring Engine:composite

Dataset & Compute Cost

Evaluation volume, public availability, API pricing, and local hardware requirements.
Total Dataset Size1,500Annotated evaluation items
Public Test SetPublicOpenly mirrored on repositories
Access GatingOpen AccessUnrestricted download
Evaluation LicenseOpen AccessDataset usage and redistribution terms
Frontier API Compute Cost:

$5 – $20 USD for full benchmark evaluation run on frontier APIs.

Recommended Local GPU Setup:

1x NVIDIA RTX 4090 (24GB) or A100 (40GB/80GB) via vLLM / SGLang

Official Dataset & Benchmark Files:Download / View Dataset Repository ↗

How to Run & Reproduce

Standardized evaluation protocols, CLI commands, and reproducible runner templates.
Prompt Regimezero-shot
Reasoning Modedirect
Sampling Temp0
Pass@k Budgetk = 1
Tools & SandboxPure Text
Scoring Verifiercomposite
Option AEleutherAI LM-Evaluation-Harness (Open-Weight Models)
lm_eval --model hf --model_args pretrained=<model_path> --tasks longbench-pro --batch_size auto
Option BOpenCompass Evaluation Framework
opencompass --datasets longbench-pro --models <model_config>
Python APIDeterministic Inference Loop Snippet
# Standard API Evaluation Loop
from openai import OpenAI

client = OpenAI()
response = client.chat.completions.create(
    model="gpt-4o",
    messages=[{"role": "user", "content": prompt}],
    temperature=0.0,
)
Standardized Reporting Requirement:

When publishing results for LongBench-Pro, always report the exact prompt template, few-shot exemplar ordering, sampling temperature (temperature=0), maximum reasoning budget tokens, and the precise timestamped model snapshot ID.

Contamination & Memorization Analysis

Audit of pretraining exposure risks, memorization vectors, and refresh policies.
Overall Contamination Risk:HIGH
Refresh Cadence:

Static fixed snapshot

Test Set Exposure:

Public on web / HuggingFace