OpenAIproprietary
Released: 2026-09-03

GPT-6 Astra

GPT-6 Astra is OpenAI's flagship model for demanding end-to-end work. It is suited for advanced analysis, software engineering, deep research, scientific work, and document creation, with particular strengths in long-horizon...

Intelligence Index
91.5/ 100
Calibrated multi-domain composite
Throughput Speed
55tok/sec
Output streaming throughput
Time To First Token
420ms
Initial chunk server latency
LiveBench Contam-Free
80.5%
September 2026 suite score

LiveBench Multi-Domain Evaluation Breakdown

Monthly refreshed contamination-free test sets
Logical Reasoning84.2%
Coding & Repo Repair82.4%
Mathematics (AIME)81.4%
Data Analysis & Tables77.8%
Language & Comprehension79.6%
Instruction Following80.5%

Sourced Benchmark Evaluations (61)

Verified performance across authoritative benchmarks with provenance tracking.
BenchmarkStatusScoreTrustDateSource TypeProvenance
StructFlowBenchNearing Saturation68.4%
75
2026-09-12independentSource ↗
SWE-bench ProActive53.9%
90
2026-09-12independentSource ↗
InfiniteBenchNearing Saturation77.8%
65
2026-09-12independentSource ↗
LongBench-ProActive75%
80
2026-09-12independentSource ↗
MATHSaturated83.4%
25
2026-09-12independentSource ↗
MathArenaActive68.1%
99
2026-09-12independentSource ↗
AgentIFNearing Saturation54.7%
80
2026-09-12independentSource ↗
MercuryDeprecated76.5%
10
2026-09-12independentSource ↗
MMLU-ProNearing Saturation84.2%
75
2026-09-12independentSource ↗
MMLU-ReduxSaturated89.7%
25
2026-09-12independentSource ↗
MultiPL-EDeprecated79.9%
10
2026-09-12independentSource ↗
LiveCodeBenchSaturated71.3%
39
2026-09-12independentSource ↗
OlympiadBenchActive69.8%
80
2026-09-12independentSource ↗
Omni-MATHDeprecated63%
10
2026-09-12independentSource ↗
OpenAI-MRCRActive76.9%
80
2026-09-12independentSource ↗
PutnamBenchActive44.3%
90
2026-09-12independentSource ↗
QuALITYNearing Saturation80.5%
78
2026-09-12independentSource ↗
RULERNearing Saturation84.2%
84
2026-09-12independentSource ↗
SCROLLSNearing Saturation73.2%
65
2026-09-12independentSource ↗
SimpleQAActive47.6%
90
2026-09-12independentSource ↗
SoohakActive64.7%
98
2026-09-12independentSource ↗
SWE-bench VerifiedSaturated67.8%
25
2026-09-12independentSource ↗
AIMENearing Saturation80.8%
75
2026-09-12independentSource ↗
ZeroSCROLLSNearing Saturation73.2%
78
2026-09-12independentSource ↗
ARC-AGI-2Nearing Saturation69.3%
75
2026-09-12independentSource ↗
ARC-AGI-3Active57.7%
93
2026-09-12independentSource ↗
CodeContestsDeprecated56.5%
10
2026-09-12independentSource ↗
ComplexBenchNearing Saturation66%
80
2026-09-12independentSource ↗
CyberSecEvalDeprecated78.2%
10
2026-09-12independentSource ↗
FireBenchActive67.6%
95
2026-09-12independentSource ↗
FrontierCodeActive50.4%
98
2026-09-12independentSource ↗
FrontierMathActive23.8%
98
2026-09-12independentSource ↗
Humanity's Last ExamActive39.1%
93
2026-09-12independentSource ↗
SWE-LancerDeprecated59.1%
20
2026-09-12independentSource ↗
Terminal-BenchActive60.8%
80
2026-09-12independentSource ↗
TabMWPSaturated78.3%
25
2026-09-12independentSource ↗
MGSMNearing Saturation80.8%
65
2026-09-11independentSource ↗
SWE-benchDeprecated59.1%
10
2026-09-11independentSource ↗
LongBenchNearing Saturation78.7%
65
2026-09-11independentSource ↗
AGIEvalSaturated76.4%
25
2026-09-10independentSource ↗
QASPERNearing Saturation75.9%
65
2026-09-10independentSource ↗
TruthfulQASaturated80.5%
25
2026-09-10independentSource ↗
GSM-HardDeprecated81.7%
10
2026-09-09independentSource ↗
SuperGLUESaturated90.6%
25
2026-09-09independentSource ↗
CodeXGLUEDeprecated81.7%
23
2026-09-08independentSource ↗
BIG-Bench HardSaturated87%
25
2026-09-08independentSource ↗
MT-BenchNearing Saturation8.3%
75
2026-09-08independentSource ↗
WinoGrandeSaturated92.4%
28
2026-09-07independentSource ↗
MBPP+Nearing Saturation88.6%
65
2026-09-07independentSource ↗
IFEvalDeprecated78.9%
25
2026-09-07independentSource ↗
GPQANearing Saturation80.5%
78
2026-09-07independentSource ↗
Needle-in-a-HaystackSaturated98.3%
44
2026-09-06independentSource ↗
HumanEval+Saturated93.9%
25
2026-09-06independentSource ↗
CommonsenseQASaturated93.2%
28
2026-09-06independentSource ↗
MBPPSaturated92.1%
25
2026-09-05independentSource ↗
GSM8KSaturated91.9%
25
2026-09-05independentSource ↗
GLUESaturated95.9%
28
2026-09-05independentSource ↗
MMLUSaturated93.3%
25
2026-09-04independentSource ↗
HumanEvalSaturated99.1%
25
2026-09-04independentSource ↗
ARC-AGISaturated83.5%
25
2026-09-04independentSource ↗
LiveBench (Continuous)Active80.5%
94
2025-02-01independentSource ↗
OpenAI Compatible API ExecutionAPI Ready
from openai import OpenAI

client = OpenAI()
response = client.chat.completions.create(
    model="openai-gpt-6-astra",
    messages=[{"role": "user", "content": "Evaluate multi-step logic problem"}],
    temperature=0.2
)
print(response.choices[0].message.content)

Evaluation & Sourcing Notes

Scores listed for GPT-6 Astra represent verified evaluations extracted from official research papers, independent evaluation suites (HELM, LMSYS, OpenCompass, LiveBench), and verified audit reports.

All benchmarks marked as saturated or deprecated reflect historical performance where the benchmark no longer provides active discriminative power.