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GLM 5.1
Model Spec
vercel:zai/glm-5.1
Modalities
Input
text
image
pdf
Output
text
Capabilities
Chat
Reasoning
Tools
Vision
Streaming
Pricing Components
| Component | Price | Conditions | Source |
|---|---|---|---|
| token.input | $1.40 / 1M tokens | Standard | — |
| token.output | $4.40 / 1M tokens | Standard | — |
| token.cache_read | $0.26 / 1M tokens | Standard | — |
Specifications
Context Window
202,800 tokens
Max Output
64,000 tokens
Input Cost
$1.40/M
Output Cost
$4.40/M
History
Raw JSONTimeline is based on collected llm_db history snapshots and may be incomplete.
2026-06-27
changed
-
cost.input
(replace)
1.4 → 1.3
-
cost.output
(replace)
4.4 → 4.3
-
limits.context
(replace)
202800 → 202000
2026-06-26
changed
-
modalities.input
(replace)
[3 items] → [1 items]
2026-06-19
changed
-
last_updated
(replace)
2026-03-27 → 2026-04-07
2026-06-15
changed
-
extra.reasoning_options
(add)
— → [1 items]
2026-06-10
changed
-
extra.structured_output
(add)
— → true
-
last_updated
(replace)
2026-04-16 → 2026-03-27
-
limits.context
(replace)
202752 → 202800
2026-04-20
changed
-
capabilities.rerank
(add)
— → false
2026-04-17
introduced
snapshots 64bf744 -> c219748 • generated 2026-06-27T04:14:27
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