glm-5.1 API price — 4 gateways compared
Cheapest right now: Glama at $0.97/MTok in
from $0.97 per
million input tokens · 1.4× spread between gateways
· updated continually
Gateway $ in /MTok $ out /MTok
Context Input price history Model ID Glama $0.97 $3.04 200,000 zai/glm-5.1 use Requesty $1.05 $3.50 202,752 deepinfra/zai-org/GLM-5.1 use Novita $1.38 $4.40 204,800 zai-org/glm-5.1 use OpenRouter fees $1.40 $4.40 204,800 z-ai/glm-5.1 use
Fees beyond the token price OpenRouter : No markup on token prices (provider pass-through), but credit purchases cost 5.5% via card ($0.80 minimum) or 5% via crypto; BYOK usage above the monthly allowance is charged 5%. source Changelog for glm-5.1
2026-10-04 openrouter listed z-ai-glm-5.1-output at 4.4 usd_per_mtok2026-10-04 openrouter listed z-ai-glm-5.1-input at 1.4 usd_per_mtok2026-10-03 openrouter delisted z-ai-glm-5.1-output2026-10-03 openrouter delisted z-ai-glm-5.1-input2026-09-25 openrouter cut z-ai-glm-5.1-output 0.1%: 3.036 → 3.0316 usd_per_mtok 2026-09-25 openrouter cut z-ai-glm-5.1-input 0.1%: 0.966 → 0.9646 usd_per_mtok 2026-08-30 openrouter cut z-ai-glm-5.1-output 23.3%: 3.96 → 3.036 usd_per_mtok 2026-08-30 openrouter cut z-ai-glm-5.1-input 23.3%: 1.26 → 0.966 usd_per_mtok 2026-08-27 requesty raised glm-5.1-output 11.1%: 3.15 → 3.5 usd_per_mtok 2026-08-27 requesty raised glm-5.1-input 11.1%: 0.945 → 1.05 usd_per_mtok 2026-08-25 openrouter raised z-ai-glm-5.1-output 30.4%: 3.036 → 3.96 usd_per_mtok 2026-08-25 openrouter raised z-ai-glm-5.1-input 30.4%: 0.966 → 1.26 usd_per_mtok 2026-08-15 openrouter cut z-ai-glm-5.1-output 31.0%: 4.4 → 3.036 usd_per_mtok 2026-08-15 openrouter cut z-ai-glm-5.1-input 31.0%: 1.4 → 0.966 usd_per_mtok glm-5.1 pricing FAQ
How much does glm-5.1 cost per million tokens? The cheapest tracked gateway charges $0.97 per million input tokens and $3.04 per million output tokens (Glama). Prices refresh continually.
Which gateway is cheapest for glm-5.1? Glama for input tokens and Glama for output tokens, among the 4 gateways we track.
Do glm-5.1 prices differ between gateways? Yes — the most expensive tracked gateway charges 1.4× the cheapest for input tokens. Identical model, identical tokens, different bill.
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