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tensor.news grades benchmarks and tags model claims by evidence status. Every fact carries a source record and provenance. Scores are framed as task performance under a disclosed harness, never as deployed capability.

← Models

o3

OpenAI·released 2024-12-20

independently reproduced

Scored on 25 benchmarks, leading 1. 28% of its scores are independently reproduced — the rest are self-reported or unverified.

25
Benchmarks scored
1
SOTA leads
97.77
Best score
28%
Reproduced
7 of 25

Leads on: CadEval

Benchmark fingerprint

Every score, ranked, colored by evidence status.

  • MATH level 5
    97.77
  • Fiction.LiveBench
    88.9
  • Lech Mazur Writing
    83.9
  • OTIS Mock AIME 2024-2025
    83.87
  • Aider polyglot
    81.3
  • GPQA diamond
    75.76
  • CadEval
    74
  • GeoBench
    74
  • SWE-Bench verified
    62.32
  • ARC-AGI
    60.8
  • SimpleQA Verified
    53
  • WeirdML
    52.42
  • DeepResearch Bench
    46.6
  • SimpleBench
    43.72
  • FrontierMath-2025-02-28-Private
    32.78
  • GDPval
    30.8
  • VPCT
    28
  • OSWorld
    23
  • CL-bench
    17.8
  • APEX-Agents
    17.2
  • HLE
    16.3
  • GSO-Bench
    8.8
  • ARC-AGI-2
    6.53
  • FrontierMath-Tier-4-2025-07-01-Private
    3.47
  • CritPt
    1.4

All benchmark scores

BenchmarkScoreEvidence statusMeasured
MATH level 597.77accuracy (%)reproduced· optimized2024-12-20
Fiction.LiveBench88.9accuracy (%)unverified2024-12-20
Lech Mazur Writing83.9accuracy (%)unverified2024-12-20
OTIS Mock AIME 2024-202583.87accuracy (%)reproduced· optimized2024-12-20
Aider polyglot81.3accuracy (%)unverified· optimized2024-12-20
GPQA diamond75.76accuracy (%)reproduced· optimized2024-12-20
CadEval74accuracy (%)unverified2024-12-20
GeoBench74accuracy (%)unverified2024-12-20
SWE-Bench verified62.32accuracy (%)reproduced· optimized2024-12-20
ARC-AGI60.8accuracy (%)unverified· optimized2024-12-20
SimpleQA Verified53accuracy (%)reproduced2024-12-20
WeirdML52.42accuracy (%)unverified2024-12-20
DeepResearch Bench46.6accuracy (%)unverified2024-12-20
SimpleBench43.72accuracy (%)unverified2024-12-20
FrontierMath-2025-02-28-Private32.78accuracy (%)reproduced· optimized2024-12-20
GDPval30.8accuracy (%)unverified2024-12-20
VPCT28accuracy (%)unverified2024-12-20
OSWorld23accuracy (%)unverified· optimized2024-12-20
CL-bench17.8accuracy (%)unverified2024-12-20
APEX-Agents17.2accuracy (%)unverified2024-12-20
HLE16.3accuracy (%)unverified2024-12-20
GSO-Bench8.8accuracy (%)unverified2024-12-20
ARC-AGI-26.53accuracy (%)unverified2024-12-20
FrontierMath-Tier-4-2025-07-01-Private3.47accuracy (%)reproduced2024-12-20
CritPt1.4accuracy (%)unverified2024-12-20
25 source records · epoch_benchmarks. Every score is evidence-linked.

Follow the record

More from OpenAI

  • GPT-5.5100
  • GPT-5.5 Pro100
  • GPT-598.13
  • GPT-5 mini97.85
  • o4-mini97.83
  • o3-pro97.2

Benchmarks it leads

  • CadEval