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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.

← Integrity Index

SimpleQA Verified

SimpleQA Verified

Rank #4 of 51 · 51 models scored · top score 77.3

AINTEGRITY 100 / 100

unknown

Strongest on discrimination, weakest on saturation headroom. Caveat: the public test set leaves contamination on the table.

consistent harnesspublic test set

Headroom to ceiling

22.7 headroomtop 77.3ceiling 100

Score distribution

median 39.2Gemini 3.1 Pro 77.334281

State of the art over time

3428177.320242026

Integrity breakdown

Weighted composite. Each signal is computed from the source-backed leaderboard below.

Discrimination30%100

Does it still separate models?

Saturation headroom30%99

How far from ceiling / clustered at the top?

Contamination resistance15%100

Public vs held-out; training-leak risk.

Harness comparability15%100

Apples-to-apples, or mixed / vendor-optimized?

Freshness10%100

How old is the benchmark?

Leaderboard

#ModelScoreEvidenceMeasured
1Gemini 3.1 Pro77.3reproduced2026-02-19
2Gemini 3 Pro72.9reproduced2025-11-18
3Gemini 3.5 Flash68.4reproduced2026-05-19
4Claude Fable 568.3reproduced2026-06-09
5Qwen3-Max67.47reproduced2025-09-05
6Gemini 3 Flash67.4reproduced2025-12-17
7Muse Spark66.3reproduced2026-04-08
8GPT-5.5 Pro64.5reproduced2026-04-23
9GPT-5.563.1reproduced2026-04-23
10Qwen3.7-Max58.52reproduced2026-05-19
11DeepSeek-V4-Pro57reproduced2026-04-24
12Qwen 3.6 Max (Preview)56.93reproduced2026-04-20
13Gemini 2.5 Pro (Jun 2025)56reproduced2025-06-05
14o353reproduced2024-12-20
15Claude Opus 4.750.6reproduced2026-04-16
16GPT-550.6reproduced2025-08-07
17Qwen3-235B-A22B-Thinking (Jul 2025)50.1reproduced2025-07-25
18Qwen 3.6 Plus49.1reproduced2026-04-01
19GPT-5.148.9reproduced2025-11-13
20Grok 447.9reproduced2025-07-09
21GPT-5.4 Pro47.8reproduced2026-03-05
22Claude Opus 4.646.49reproduced2026-02-05
23GPT-5.444.83reproduced2026-03-05
24Claude Opus 4.541.8reproduced2025-11-24
25Claude Opus 4.839.5reproduced2026-05-28
26Kimi K2.7 Code39.2reproduced2026-06-12
27GPT-5.238.9reproduced2025-12-11
28Kimi K2.638.7reproduced2026-04-20
29GLM-5.238.1reproduced2026-06-16
30Grok 4.3 Beta38reproduced2026-04-17
31GLM-5.137.29reproduced2026-04-07
32Claude Opus 4.134.8reproduced2025-08-05
33Kimi K2.533.9reproduced2026-02-02
34Kimi K2 Thinking31.6reproduced2025-11-06
35GLM-4.731.5reproduced2025-12-22
36Claude Sonnet 4.629reproduced2026-02-17
37GPT-5.4 Mini28.6reproduced2026-03-17
38DeepSeek-V3.227.5reproduced2025-12-01
39DeepSeek-R1 (May 2025)27.4reproduced2025-05-28
40Qwen 3.5 Plus (hosted 397B-A17B)26reproduced2026-02-16
41o4-mini23.9reproduced2025-04-16
42Claude Sonnet 4.523.6reproduced2025-09-29
43Qwen 3.6 Flash21.16reproduced2026-04-26
44Grok-3 mini21.1reproduced2025-02-19
45GPT-5 mini21reproduced2025-08-07
46Qwen 3.5 Flash (hosted 35B-A3B)19.76reproduced2026-02-25
47gpt-oss-120b13.9reproduced2025-08-05
48GPT-5 nano12.2reproduced2025-08-07
49GPT-5.4 Nano12reproduced2026-03-17
50Claude 3.5 Haiku6.7reproduced2024-10-22
51Claude Haiku 4.55.9reproduced2025-10-15

At a glance

Models scored
51
Top model
Gemini 3.1 Pro
Top score
77.3
Score spread
71.4
Headroom
22.7

Benchmark context

Task type
reasoning
Metric
normalized performance in Epoch CSV, rendered as accuracy (%)
Score ceiling
100
Human baseline
unknown
Test-set privacy
unknown
Construction
unknown
Key assumptions
unknown
Limitations
unknown
Contamination history
unknown
Harness notes
Epoch CSV reports model, model version, performance, optimized flag, score source, benchmark release date, and model date.
Authors
unknown
Released
unknown
License
CC BY 4.0
Source
epoch.ai/data/eci_benchmarks.csv

Provenance

51 source records · scores from epoch_benchmarks. Every fact on this page is evidence-linked.

Follow the record

Integrity neighbors

  • APEX-AgentsA · 100
  • Chess PuzzlesA · 100
  • HLEA · 100
  • ARC-AGI-2A · 99
  • FrontierMath-2025-02-28-PrivateA · 99
  • FrontierMath-Tier-4-v2-PrivateA · 99

Top models here

  • Gemini 3.1 Pro77.3
  • Gemini 3 Pro72.9
  • Gemini 3.5 Flash68.4
  • Claude Fable 568.3
  • Qwen3-Max67.47

Head-to-head

  • Gemini 3.1 Pro vs Gemini 3 Pro
  • Gemini 3.1 Pro vs Gemini 3.5 Flash
  • Gemini 3 Pro vs Gemini 3.5 Flash