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Grok 4.5

xAI·Pending·Released 2026-07-08textvision
Context500k
Max output-
Input / 1M$2 ↗
Output / 1M$6 ↗
Cached in$0.3
Benchmarks6

Benchmarks

Cited public sources · rank is exact-benchmark, apples-to-apples

FrontierMath Tier 4 v2 (Epoch AI run)#26/4424.4% ↗
FrontierMath Tiers 1-3 v2 (Epoch AI run)#27/5957.2% ↗
GPQA Diamond (Epoch AI run)#10/7793.4% ↗
OTIS Mock AIME 2024-2025 (Epoch AI run)#11/7697.8% ↗
SimpleQA Verified (Epoch AI run)#19/5348.3% ↗
LMArena Elo#17/621450.1 ↗

Compare

vs GPT-6 Astravs GPT-5.6 Solvs GPT-5.6 Terravs GPT-5.6 Lunavs Claude Fable 5.1vs Claude Opus 5vs Claude Sonnet 5vs Claude Haiku 4.5

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Access Grok 4.5 and every other model through one endpoint with automatic failover: Respan gateway.