Claude Fable 5$22.000/MClaude Opus 4.8$11.000/MClaude Opus 4.7$11.000/MClaude Opus 4.6$11.000/MClaude Opus 4.5$33.000/MClaude Sonnet 3.7$6.600/MClaude Opus 3$33.000/MClaude 2.1$12.800/MClaude 2$12.800/MGPT-5.5$12.500/MGPT-5.2$5.425/MGPT-5.2-Codex$5.425/MGPT-5$3.875/MGPT-4.5$97.500/MGPT-4 Turbo Preview$16.000/MGPT-4$39.000/MGPT-4-32k$78.000/Mo3$19.000/Mo3-mini$2.090/Mo4-mini$2.090/Mo1$28.500/Mo1-mini$5.700/Mo1-preview$28.500/MGemini 3.5 Pro$5.000/MGemini 3.1 Pro$5.000/MGemini 3 Pro$5.000/MGemini 2.5 Pro$3.875/MGemini 1.5 Pro$2.375/MGemini 1.0 Ultra$12.000/MGemini 1.0 Pro$0.800/MClaude Fable 5$22.000/MClaude Opus 4.8$11.000/MClaude Opus 4.7$11.000/MClaude Opus 4.6$11.000/MClaude Opus 4.5$33.000/MClaude Sonnet 3.7$6.600/MClaude Opus 3$33.000/MClaude 2.1$12.800/MClaude 2$12.800/MGPT-5.5$12.500/MGPT-5.2$5.425/MGPT-5.2-Codex$5.425/MGPT-5$3.875/MGPT-4.5$97.500/MGPT-4 Turbo Preview$16.000/MGPT-4$39.000/MGPT-4-32k$78.000/Mo3$19.000/Mo3-mini$2.090/Mo4-mini$2.090/Mo1$28.500/Mo1-mini$5.700/Mo1-preview$28.500/MGemini 3.5 Pro$5.000/MGemini 3.1 Pro$5.000/MGemini 3 Pro$5.000/MGemini 2.5 Pro$3.875/MGemini 1.5 Pro$2.375/MGemini 1.0 Ultra$12.000/MGemini 1.0 Pro$0.800/M
BETA
Zhipu AI
Zhipu AI
Frontier

GLM-4-Long

Long Context

Long-context GLM-4 — up to 1M tokens. The Chinese answer to Gemini 1.5 Pro on context length.

GLM-4-Long is a frontier AI model from Zhipu AI. It costs $0.700 per million input tokens and $0.700 per million output tokens (blended $0.700/M), with a 1M-token context window.

INPUT
$0.700/M
per million input tokens
OUTPUT
$0.700/M
per million output tokens
CONTEXT
1M
1,000,000 tokens
What it's good at
  • 1M context
  • Aggressive long-context pricing
  • Chinese-tuned
Typical use cases
  • Long Chinese document RAG
  • Codebase / book analysis
Benchmarks
vs. best public score
MMLU78%
Multitask academic knowledge across 57 subjects.
HumanEval70%
Python function synthesis from docstrings.
Hand-curated from each provider's published reports and public leaderboards. Methodology varies across sources — treat as directional rather than authoritative.
More from Zhipu AI
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Frequently asked questions

How much does GLM-4-Long cost?

GLM-4-Long costs $0.700 per million input tokens and $0.700 per million output tokens, for a blended reference rate of $0.700 per million tokens.

What is GLM-4-Long's context window?

GLM-4-Long supports up to 1M tokens of context (1,000,000 tokens).

What is GLM-4-Long best for?

GLM-4-Long is well suited to 1M context, Aggressive long-context pricing and Chinese-tuned.

Who makes GLM-4-Long?

GLM-4-Long is developed and served by Zhipu AI.