ModelsCompareBest forBenchmarksStatusPricingAPI

GLM-5.1

Z.ai·Pending·Released 2026-04-07text
Context200k
Max output131.072k
Input / 1M$1.4 ↗
Output / 1M$4.4 ↗
Cached in$0.26
Benchmarks7

Benchmarks

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

AIME 2026 (MathArena)#12/2195.8% ↗
FrontierMath Tiers 1-3 v2 (Epoch AI run)#41/5936.8% ↗
GPQA Diamond (Epoch AI run)#29/7789.9% ↗
OTIS Mock AIME 2024-2025 (Epoch AI run)#27/7693.3% ↗
SimpleQA Verified (Epoch AI run)#35/5334% ↗
SWE-bench Verified (Epoch AI run)#10/2474.2% ↗
LMArena Elo#9/621462.4 ↗

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

More from Z.ai

GLM-5.3GLM-5.3-FlashGLM-5.2GLM-5GLM-4.7-FlashXGLM-5-Turbo

Access GLM-5.1 and every other model through one endpoint with automatic failover: Respan gateway.