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Zhipu

GLM-5.1

GLM-5.1 by Zhipu — compare inference API pricing across providers.

Context 200K
Input from
$0.980 / 1M tokens
across 5 providers

API Pricing

Cheapest on OpenRouter 21% below avg
ProviderInput / 1MOutput / 1MCached / 1M
$0.980$3.08$0.182
$1.05$3.50$0.205
$1.36$4.36$0.680
$1.40$4.40-
$1.40$4.40-

Prices updated daily. Last check: Jun 26, 2026

Performance & Benchmarks

Source: Artificial Analysis →
Intelligence
35.4 / 100
Output Speed
56.1 t/s
Latency (TTFT)
890ms

Reasoning & Knowledge

  • GPQA Diamond83.9%
  • Humanity's Last Exam25.6%

Coding

  • SciCode36.1%

Agentic & Tool Use

  • Terminal-Bench Hard35.6%
  • τ²-bench97.1%

Instruction & Long Context

  • IFBench52.0%
  • Long-Context Reasoning44.3%

Benchmarks measured Jun 2026. Scores are independent evaluations, not vendor-reported.

Model Details

General

Creator
Zhipu
Family
GLM-5
Context Window
200K
Modalities
Text

Capabilities

Tool Calling
No
Open Source
No
Aliases
glm-5.1, GLM-5.1, zai-org/GLM-5.1, THUDM/GLM-5.1