LLM prices per 1M tokens

264 models · 161 price changes

GLM 5.1

Z.ai · Open weights · 205K context · released Apr 7, 2026 · checked 12h ago

GLM-5.1 delivers a major leap in coding capability, with particularly significant gains in handling long-horizon tasks.

Ways to buy 13

Way to buyIn / out per 1M
Chutes
fp8 · cached $0.09
$0.9 / $2.9Cheapest
SiliconFlow
fp8 · cached $0.6
$1.19 / $3.74+31% vs cheapest
AtlasCloud
fp8 · cached $0.234
$1.26 / $3.96+38% vs cheapest
Phala
Default region · cached $0.6
$1.21 / $4.2+40% vs cheapest
Qwen (Alibaba)
fp8 · cached $0.247
$1.33 / $4.18+46% vs cheapest
Novita AI
fp8 · cached $0.26
$1.38 / $4.4+52% vs cheapest
Baidu
fp8 · cached $0.26
$1.4 / $4.4+54% vs cheapest
Friendli
Default region · cached $0.26
$1.4 / $4.4+54% vs cheapest
GMICloud
fp8 · cached $0.26
$1.4 / $4.4+54% vs cheapest
Nebius
fp8 · cached $0.26
$1.4 / $4.4+54% vs cheapest
StreamLake
fp8 · cached $0.26
$1.4 / $4.4+54% vs cheapest
Z.ai
fp8 · cached $0.26
$1.4 / $4.4+54% vs cheapest
Venice
fp8 · cached $0.286
$1.54 / $4.84+69% vs cheapest

USD per 1M tokens. Regions are separate routes.

Through a gateway

Your own numbers

100M input and 20M output tokens a month: $148.00 direct.

A dash: not on that gateway's own model list. No published token fee: Martian Gateway, Portkey.

Related models

In / out per 1M
GLM 5.3 FlashX Legal
Z.ai · 1M
$0.37 / $1.25GLM-5.3-FlashX-Legal (GLM-Legal) is Z.ai's legal-domain variant of GLM-5.3-FlashX, a native multimodal model that accepts text, image, and video input and produces text.
GLM 5.3 Prime
Z.ai · 1M
$2.8 / $8.8GLM-5.3-Prime is the high-speed variant of Z.ai's GLM-5.3, inheriting its full capabilities while delivering 1.5–2× the output throughput through inference acceleration.
GLM 5.3 FlashX
Z.ai · 1M
$0.37 / $1.25GLM-5.3-FlashX is the high-speed variant of Z.ai's GLM-5.3-Flash, a native multimodal model delivering inference speeds of up to 200 tokens/s.
GLM 5.3 Flash
Z.ai · 1M
$0.012 / $0.158GLM-5.3-Flash is a native multimodal model from Z.ai.
GPT-6.1 Terra
OpenAI · 1.05MCheapest: $1 on OpenAI (flex)
$1 / $5GPT-6.1 Terra is the mid-tier model in OpenAI's GPT-6.1 series, priced below GPT-6.1 Sol.
Gemini 3.8 Flash
Google · 1MCheapest: $0.75 on Google Gemini API (flex)
$0.75 / $3.75Gemini 3.8 Flash is Google's most intelligent Flash model with significant gains from 3.7 Flash across software engineering, agentic tasks, and multi-step reasoning.
Muse Spark 1.1
Meta · 1M
$1.25 / $4.25Muse Spark 1.1 is a multimodal reasoning model from Meta, built for agentic tasks.
Qwen3.8 Max (0902)
Qwen (Alibaba) · 1M
$2 / $6Qwen3.8 Max 0902 is an updated snapshot of Qwen3.8 Max from Alibaba's Qwen team.

About GLM 5.1

Takes text in and returns text. First listed Sep 23, 2026. Up to 131K output tokens. Blended price $1.4 per 1M tokens at 3 input to 1 output. Model id glm-5-1.

Price history

No list-price history: this model is sold by hosts rather than its lab.

Questions

How much does GLM 5.1 cost?

$0.9 per million input tokens and $2.9 per million output tokens, with cached input at $0.09.

What is the context window of GLM 5.1?

205K tokens, with up to 131K tokens of output.

Where is GLM 5.1 cheapest?

Of 13 routes tracked, Chutes is cheapest at $0.9 input and $2.9 output per million tokens.

Has GLM 5.1's price changed?

Yes. The output price went from $3.08 to $2.9, first seen Oct 27, 2026.