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glm-5-1 OpenRouter price Model overview GLM-5.1 delivers a major leap in coding capability, with particularly significant gains in handling long-horizon tasks. Unlike previous models built around minute-level interactions, GLM-5.1 can work independently and continuously on...
Context window 204,800 tokens
Knowledge cutoff —
Price last verified 2026-09-06
First observed 2026-08-11 Descriptions, capabilities, and tariffs come from the linked source. First-party prices take priority; OpenRouter fallbacks are labelled.
Current price Estimated API value in USD per million tokens, backed by OpenRouter's public Models API.
Input $0.966
Cached input $0.1794
Cache write 5m —
Cache write 1h —
Output $3.036 Capabilities and formats text frequency penalty include reasoning logit bias logprobs max tokens min p presence penalty reasoning repetition penalty response format seed stop structured outputs temperature tool choice tools top k top logprobs top p Performance references No comparable benchmark data is currently available.
PRICE EVOLUTION Price history Original observation and every later change, including any change of price source.
Original observed price Official price unavailable 2026-08-11
Input: — Cached input: — Cache write 5m: — Cache write 1h: — Output: —
Price change OpenRouter price 2026-08-20
Input: $0.966 Cached input: $0.1794 Cache write 5m: — Cache write 1h: — Output: $3.036
Price change OpenRouter price 2026-08-25
Input: $1.26 Cached input: $0.234 Cache write 5m: — Cache write 1h: — Output: $3.96
Price change OpenRouter price 2026-08-30
Input: $0.966 Cached input: $0.1794 Cache write 5m: — Cache write 1h: — Output: $3.036
