xAI·released 2026-07-081 source
Grok 4.5 benchmark scores: 19 benchmarks tracked. 21% of its scores are independently reproduced — the rest are self-reported or unverified.
Leads on 0 of 19 benchmarks·best result 97.78 on OTIS Mock AIME 2024-2025 (reproduced)·4 of 19 independently reproduced
| Benchmark | Score | Evidence status | Measured |
|---|---|---|---|
| OTIS Mock AIME 2024-2025 | 97.78accuracy (%) | reproduced· optimizedT1 | 2026-07-08Epoch AI |
| DTBench | 94.22accuracy (%) | unverifiedT1 | 2026-07-08https://conceptualreasoning.ai/dtbench |
| GPQA diamond | 91.25accuracy (%) | reproduced· optimizedT1 | 2026-07-08Epoch AI |
| ARC-AGI | 87.17accuracy (%) | unverified· optimizedT1 | 2026-07-08https://arcprize.org/leaderboard |
| Surface Evolver Bench | 74.38accuracy (%) | unverifiedT1 | 2026-07-08https://yhenon.github.io/surface-evolver-llm-eval/ |
| SimpleBench | 64accuracy (%) | unverifiedT1 | 2026-07-08https://lmcouncil.ai/benchmarks |
| FrontierMath-Tiers-1-3-v2-Private | 57.19accuracy (%) | reproducedT1 | 2026-07-08Epoch AI |
| APEX-Agents | 56.2accuracy (%) | unverifiedT2 | 2026-07-08 |
| DeepSWE | 53.76accuracy (%) | unverifiedT1 | 2026-07-08https://deepswe.datacurve.ai/ |
| LMCA | 53.18accuracy (%) | unverifiedT1 | 2026-07-08https://conceptualreasoning.ai/lmca |
| ARC-AGI-2 | 52.64accuracy (%) | unverifiedT2 | 2026-07-08 |
| SimpleQA Verified | 48.3accuracy (%) | unverifiedT2 | 2026-07-08 |
| WeirdML | 46.43accuracy (%) | unverifiedT1 | 2026-07-08https://htihle.github.io/weirdml.html |
| FrontierCode | 42.44accuracy (%) | unverifiedT1 | 2026-07-08https://cognition.com/frontiercode |
| Chess Puzzles | 31.61accuracy (%) | unverifiedT2 | 2026-07-08 |
| ProofBench | 31accuracy (%) | unverifiedT1 | 2026-07-08https://www.vals.ai/benchmarks/proof_bench |
| FrontierMath-Tier-4-v2-Private | 24.39accuracy (%) | reproducedT1 | 2026-07-08Epoch AI |
| PostTrainBench | 23.45accuracy (%) | unverifiedT2 | 2026-07-08 |
| Furniture Assembly | 0accuracy (%) | unverifiedT2 | 2026-07-08 |
Claims drawn from cited facts, not live model generation.
This model was developed by xAI and released in 2026.
2 cited facts
This model has scores on 19 tracked benchmarks and currently leads 0 of them. The record’s evidence status is independently reproduced.
3 cited facts
Its mean gap to the best recorded score across its tracked benchmarks is 30.32 points.
1 cited fact
1 facts cross-checked across data sources: 1 single-source.
Source facts, citations, and refresh stamp for this record.
Sources: epoch_benchmarks
Grok 4.5 is an AI model developed by xAI, released 2026-07-08. Its benchmark record below tags every score as independently reproduced, self-reported, or unverified.
Grok 4.5 has recorded scores on 19 benchmarks, each shown with its evidence status.
Grok 4.5 has recorded scores on 19 benchmarks — GPQA diamond, OTIS Mock AIME 2024-2025, DTBench, WeirdML, LMCA, SimpleQA Verified, and 13 more. The full table above shows each score with its evidence status.
4 of 19 recorded scores (21%) are independently reproduced rather than self-reported by the lab.
Grok 4.5 has 19 tracked claims: 4 independently reproduced, 15 unverified.