How much does GLM 5.1 cost per token?

GLM 5.1 is priced at $0.97 per million input tokens and $3.04 per million output tokens, per OpenRouter as of Jul 8, 2026.

What is GLM 5.1's context window?

GLM 5.1 supports a context window of up to 202.8K tokens, per Z.ai.

How widely used is GLM 5.1?

GLM 5.1 accounts for about 0.2% of tracked OpenRouter coding-token volume as of Jul 7, 2026.

What are the alternatives to GLM 5.1?

By OpenRouter usage, comparable models include Grok 4.3, Laguna XS 2.1, and MiniMax M2.7. Side-by-side comparisons are linked in the alternatives table.

ModelsZ.ai

GLM 5.1

Name: GLM 5.1
Author: Z.ai

openrouter hugging face price docs

Context

202.8K

tokens

Released

Apr 7, 2026

on OpenRouter

Usage rank

#39

of 41 tracked models

Token share

0.2%

OpenRouter · Jul 7, 2026

Pricing

Price per million tokens

Input $/MTok

$0.97

OpenRouter · Jul 8, 2026

Output $/MTok

$3.04

OpenRouter · Jul 8, 2026

Cache read $/MTok

$0.18

OpenRouter

Current GLM 5.1 prices per million tokens across tracked sources.
Source	Tracked slug	In $/MTok	Out $/MTok	Cache read	Cache write	Context	Effective	Last Δ (in)
OpenRouter	z-ai/glm-5.1	$0.97	$3.04	$0.18	—	202.8K	Jul 8, 2026	—
models.dev	wafer.ai/GLM-5.1	$1.00	$3.20	$0.1	$0.00	202.8K	Jul 8, 2026	2%

latest tracked price per source · Δ = most recent input-price move within that source

2 sources tracking

Input $/MTok

Output $/MTok

per-source step lines · $/MTok

history since Jul 8, 2026

Specs

Context & availability

GLM 5.1 specifications.
Provider	Z.ai
Context window	202.8K tokens
Listed on OpenRouter	Apr 7, 2026
Tracked price sources	OpenRouter · models.dev
Hugging Face	zai-org/GLM-5.1
OpenRouter slugs	z-ai/glm-5.1 · z-ai/glm-5.1-20260406

source: OpenRouter model catalog + tracked price feeds

id: glm-5-1

Usage

Share of OpenRouter tokens

90-day · to Jul 7, 2026

source: OpenRouter model rankings · share of tracked coding-token volume

0.2% on Jul 7, 2026

Benchmarks

Benchmark results

Benchmark scores for GLM 5.1.
Benchmark	Configuration	Score	Date	Source
AA Intelligence Index	z-ai/glm-5.1	40.2index	—	or-embedded-aa
AA Coding Index	z-ai/glm-5.1	55.8index	—	or-embedded-aa
AA Agentic Index	z-ai/glm-5.1	29.9index	—	or-embedded-aa

scores as published by each benchmark; configurations differ — compare within a row's benchmark only

Alternatives

Similar models

Alternatives to GLM 5.1 by OpenRouter usage-rank proximity.
#	Model	Tokens/day	7d Δ	Head-to-head
49	Grok 4.3xAI	17.9B	16.3%	vs GLM 5.1
50	Laguna XS 2.1Poolside	16.3B	—	vs GLM 5.1
45	MiniMax M2.7MiniMax	20.4B	7.2%	vs GLM 5.1
44	Kimi K2.5Moonshot AI	20.5B	0.6%	vs GLM 5.1

ranked by OpenRouter usage-rank proximity

snapshot Jul 7, 2026

FAQ

GLM 5.1 FAQ

How much does GLM 5.1 cost per token?: GLM 5.1 is priced at $0.97 per million input tokens and $3.04 per million output tokens, per OpenRouter as of Jul 8, 2026.
What is GLM 5.1's context window?: GLM 5.1 supports a context window of up to 202.8K tokens, per Z.ai.
How widely used is GLM 5.1?: GLM 5.1 accounts for about 0.2% of tracked OpenRouter coding-token volume as of Jul 7, 2026.
What are the alternatives to GLM 5.1?: By OpenRouter usage, comparable models include Grok 4.3, Laguna XS 2.1, and MiniMax M2.7. Side-by-side comparisons are linked in the alternatives table.

Alerts

Track GLM 5.1

Email me when GLM 5.1's price moves or it gets deprecated.