OpenAIproprietary
Released: 2025-04-10

o3

OpenAI full-scale high-compute reasoning model establishing SOTA on FrontierMath and competitive SWE-bench.

Intelligence Index
92.0/ 100
Calibrated multi-domain composite
Throughput Speed
68tok/sec
Output streaming throughput
Time To First Token
410ms
Initial chunk server latency
LiveBench Contam-Free
82.5%
September 2026 suite score

LiveBench Multi-Domain Evaluation Breakdown

Monthly refreshed contamination-free test sets
Logical Reasoning89.5%
Coding & Repo Repair84.0%
Mathematics (AIME)88.9%
Data Analysis & Tables79.5%
Language & Comprehension76.0%
Instruction Following77.2%

Sourced Benchmark Evaluations (61)

Verified performance across authoritative benchmarks with provenance tracking.
BenchmarkStatusScoreTrustDateSource TypeProvenance
ARC-AGI-3Active60.8%
93
2026-01-24independentSource ↗
ARC-AGI-2Nearing Saturation72.9%
75
2026-01-17independentSource ↗
FrontierMathActive26.2%
98
2026-01-14independentSource ↗
PutnamBenchActive48.6%
90
2026-01-13independentSource ↗
SWE-LancerDeprecated59.8%
20
2026-01-11independentSource ↗
Omni-MATHDeprecated69.2%
10
2026-01-11independentSource ↗
SoohakActive71.1%
98
2026-01-09independentSource ↗
FrontierCodeActive51%
98
2026-01-09independentSource ↗
Humanity's Last ExamActive41.1%
93
2026-01-07independentSource ↗
StructFlowBenchNearing Saturation65.6%
75
2026-01-07independentSource ↗
AIMENearing Saturation88.8%
75
2026-01-07independentSource ↗
OlympiadBenchActive76.7%
80
2026-01-06independentSource ↗
MathArenaActive74.8%
99
2026-01-05independentSource ↗
FireBenchActive64.8%
95
2026-01-05independentSource ↗
Terminal-BenchActive61.6%
80
2026-01-05independentSource ↗
OpenAI-MRCRActive77.3%
80
2026-01-04independentSource ↗
SimpleQAActive47.8%
90
2026-01-04independentSource ↗
CodeContestsDeprecated57.2%
10
2026-01-04independentSource ↗
ComplexBenchNearing Saturation63.3%
80
2026-01-03independentSource ↗
SWE-bench ProActive54.6%
90
2026-01-03independentSource ↗
LongBench-ProActive75.4%
80
2026-01-03independentSource ↗
ZeroSCROLLSNearing Saturation73.6%
78
2026-01-02independentSource ↗
MultiPL-EDeprecated81%
10
2026-01-02independentSource ↗
LiveCodeBenchSaturated72.2%
39
2026-01-01independentSource ↗
AgentIFNearing Saturation52.5%
80
2026-01-01independentSource ↗
MATHSaturated91.6%
25
2026-01-01independentSource ↗
InfiniteBenchNearing Saturation78.2%
65
2026-01-01independentSource ↗
MercuryDeprecated77.4%
10
2025-12-31independentSource ↗
SCROLLSNearing Saturation73.6%
65
2025-12-31independentSource ↗
MMLU-ProNearing Saturation84.6%
75
2025-12-31independentSource ↗
RULERNearing Saturation84.6%
84
2025-12-30independentSource ↗
TabMWPSaturated86%
25
2025-12-30independentSource ↗
CyberSecEvalDeprecated79.2%
10
2025-12-30independentSource ↗
SWE-bench VerifiedSaturated68.6%
25
2025-12-29independentSource ↗
MMLU-ReduxSaturated90.2%
25
2025-12-29independentSource ↗
QuALITYNearing Saturation81%
78
2025-12-29independentSource ↗
LongBenchNearing Saturation79.1%
65
2025-12-28independentSource ↗
SWE-benchDeprecated59.8%
10
2025-12-28independentSource ↗
MGSMNearing Saturation88.8%
65
2025-12-28independentSource ↗
AGIEvalSaturated80.4%
25
2025-12-27independentSource ↗
QASPERNearing Saturation76.4%
65
2025-12-27independentSource ↗
TruthfulQASaturated81%
25
2025-12-27independentSource ↗
GSM-HardDeprecated89.8%
10
2025-12-26independentSource ↗
SuperGLUESaturated95.4%
25
2025-12-26independentSource ↗
CodeXGLUEDeprecated82.7%
23
2025-12-25independentSource ↗
MT-BenchNearing Saturation8%
75
2025-12-25independentSource ↗
BIG-Bench HardSaturated91.6%
25
2025-12-25independentSource ↗
WinoGrandeSaturated97.2%
28
2025-12-24independentSource ↗
MBPP+Nearing Saturation89.8%
65
2025-12-24independentSource ↗
IFEvalDeprecated75.7%
25
2025-12-24independentSource ↗
GPQANearing Saturation81%
78
2025-12-24independentSource ↗
Needle-in-a-HaystackSaturated98.4%
44
2025-12-23independentSource ↗
HumanEval+Saturated95%
25
2025-12-23independentSource ↗
CommonsenseQASaturated98.2%
28
2025-12-23independentSource ↗
MBPPSaturated93.3%
25
2025-12-22independentSource ↗
GSM8KSaturated100%
25
2025-12-22independentSource ↗
GLUESaturated100%
28
2025-12-22independentSource ↗
MMLUSaturated93.8%
25
2025-12-21independentSource ↗
HumanEvalSaturated100%
25
2025-12-21independentSource ↗
ARC-AGISaturated87.9%
25
2025-12-21independentSource ↗
LiveBench (Continuous)Active82.5%
94
2025-02-01independentSource ↗
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.