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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

FrontierMath-2025-02-28-Private

FrontierMath-2025-02-28-Private

Rank #6 of 51 · 45 models scored · top score 68.42

AINTEGRITY 99 / 100

unknown

Strongest on discrimination, weakest on freshness.

consistent harnessheld-out test set

Headroom to ceiling

31.6 headroomtop 68.4ceiling 100

Score distribution

median 7.9Muse Spark 68.403672

State of the art over time

0367268.420242026

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%93

How old is the benchmark?

Leaderboard

#ModelScoreEvidenceMeasured
1Muse Spark68.42reproduced· optimized2026-04-08
2Gemini 3 Pro65.96reproduced· optimized2025-11-18
3GLM-5.158.68reproduced· optimized2026-04-07
4Claude Sonnet 4.656.84reproduced· optimized2026-02-17
5GPT-5.154.45reproduced· optimized2025-11-13
6Kimi K2.548.95reproduced· optimized2026-02-02
7Qwen 3.6 Plus45.98reproduced· optimized2026-04-01
8Qwen 3.6 Max (Preview)40.53reproduced· optimized2026-04-20
9DeepSeek-V3.238.77reproduced· optimized2025-12-01
10Kimi K2 Thinking37.55reproduced· optimized2025-11-06
11Qwen 3.5 Plus (hosted 397B-A17B)36.9reproduced· optimized2026-02-16
12Grok 434.48reproduced· optimized2025-07-09
13o332.78reproduced· optimized2024-12-20
14GLM-528.83reproduced· optimized2026-02-11
15Qwen 3.6 Flash18.15reproduced· optimized2026-04-26
16o116.33reproduced· optimized2024-12-05
17Qwen3-235B-A22B-Thinking (Jul 2025)14.88reproduced· optimized2025-07-25
18Qwen 3.5 Flash (hosted 35B-A3B)10.89reproduced· optimized2026-02-25
19Claude Haiku 4.510.36reproduced· optimized2025-10-15
20Grok-3 mini10.28reproduced· optimized2025-02-19
21GPT-4.19.68reproduced· optimized2025-04-14
22Gemini 2.5 Flash (Jun 2025)8.5reproduced· optimized2025-06-17
23Claude Opus 47.86reproduced· optimized2025-05-22
24GPT-4.1 mini7.86reproduced· optimized2025-04-14
25Claude 3.7 Sonnet7.26reproduced· optimized2025-02-24
26Claude Sonnet 47.26reproduced· optimized2025-05-22
27GLM-4.66.7reproduced· optimized2025-09-30
28Grok 36.65reproduced· optimized2025-02-17
29GLM-4.74.28reproduced· optimized2025-12-22
30Claude 3.5 Sonnet (October 2024)3.63reproduced· optimized2024-10-22
31o1-mini3.02reproduced· optimized2024-09-12
32DeepSeek-V33.02reproduced· optimized2024-12-24
33Gemini 2.0 Flash (Feb 2025)3.02reproduced· optimized2024-12-11
34Claude 3.5 Sonnet1.81reproduced· optimized2024-06-20
35Qwen2.5-Max1.81reproduced· optimized2025-01-25
36GPT-4.1 nano1.81reproduced· optimized2025-04-14
37Grok-2 (Dec 2024)1.21reproduced· optimized2024-08-13
38Llama 4 Maverick1.21reproduced· optimized2025-04-05
39Mistral Medium 30.61reproduced· optimized2025-05-07
40Claude 3.5 Haiku0.6reproduced· optimized2024-10-22
41Mistral Large 2 (Nov 2024)0.6reproduced· optimized2024-07-24
42GPT-4o (Aug 2024)0.6reproduced· optimized2024-05-13
43GPT-4o (Nov 2024)0.6reproduced· optimized2024-05-13
44Llama 4 Scout0reproduced· optimized2025-04-05
45Gemini 1.5 Flash (Sep 2024)0reproduced· optimized2024-05-10

At a glance

Models scored
45
Top model
Muse Spark
Top score
68.42
Score spread
68.42
Headroom
31.58

Benchmark context

Task type
math
Metric
normalized performance in Epoch CSV, rendered as accuracy (%)
Score ceiling
100
Human baseline
unknown
Test-set privacy
held-out
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
2025-02-28
License
CC BY 4.0
Source
epoch.ai/data/eci_benchmarks.csv

Provenance

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

Follow the record

Integrity neighbors

  • HLEA · 100
  • SimpleQA VerifiedA · 100
  • ARC-AGI-2A · 99
  • FrontierMath-Tier-4-v2-PrivateA · 99
  • CadEvalA · 98
  • CursorBenchA · 98

Top models here

  • Muse Spark68.42
  • Gemini 3 Pro65.96
  • GLM-5.158.68
  • Claude Sonnet 4.656.84
  • GPT-5.154.45

Head-to-head

  • Muse Spark vs Gemini 3 Pro
  • Muse Spark vs GLM-5.1
  • Gemini 3 Pro vs GLM-5.1