OpenAIproprietary
Released: 2025-12-20o3
OpenAI full-scale high-compute reasoning model establishing SOTA on FrontierMath and competitive SWE-bench.
Intelligence Index
92.0/ 100
Calibrated multi-domain compositeThroughput Speed
68tok/sec
Output streaming throughputTime To First Token
410ms
Initial chunk server latencyLiveBench Contam-Free
82.5%
September 2026 suite scoreLiveBench Multi-Domain Evaluation Breakdown
Monthly refreshed contamination-free test setsLogical Reasoning89.5%
Coding & Repo Repair84.0%
Mathematics (AIME)88.9%
Data Analysis & Tables79.5%
Language & Comprehension76.0%
Instruction Following77.2%
Sourced Benchmark Evaluations (3)
Verified performance across authoritative benchmarks with provenance tracking.OpenAI Compatible API ExecutionAPI Ready
from openai import OpenAI
client = OpenAI()
response = client.chat.completions.create(
model="o3",
messages=[{"role": "user", "content": "Evaluate multi-step logic problem"}],
temperature=0.2
)
print(response.choices[0].message.content)Evaluation & Sourcing Notes
Scores listed for o3 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.