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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

GPT-5.3 Codex

OpenAI·released 2026-02-05

independently reproduced

Scored on 5 benchmarks. 20% of its scores are independently reproduced — the rest are self-reported or unverified.

5
Benchmarks scored
0
SOTA leads
79.3
Best score
20%
Reproduced
1 of 5

Benchmark fingerprint

Every score, ranked, colored by evidence status.

  • WeirdML
    79.3
  • Terminal Bench
    78.4
  • SWE-Bench verified
    74.79
  • APEX-Agents
    31.7
  • PostTrainBench
    17.76

All benchmark scores

BenchmarkScoreEvidence statusMeasured
WeirdML79.3accuracy (%)unverified2026-02-05
Terminal Bench78.4accuracy (%)unverified· optimized2026-02-05
SWE-Bench verified74.79accuracy (%)reproduced· optimized2026-02-05
APEX-Agents31.7accuracy (%)unverified2026-02-05
PostTrainBench17.76accuracy (%)unverified2026-02-05
5 source records · epoch_benchmarks. Every score is evidence-linked.

Follow the record

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