Pricing · Mistral

GLM 5.3 Flash

Mistral's zai-glm-5-3-flash, 1M tokens of context. Every number on this page was read off Mistral's own pricing page — never estimated, never recalled from memory.

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How Mistral describes it

“Z.AI's GLM 5.3 Flash is a multimodal 320B-parameter (18B active) Mixture-of-Experts model. Built for developer agent workflows, visual coding, and complex tool-use tasks. The model is served without Mistral modifications.”

Pricing

Prices in US dollars per 1M tokens, as Mistral's official pricing page printed them when they were last verified, on October 26, 2026.

At the calculator's starting volume, 1M input tokens and 200K output tokens with no cache hits, GLM 5.3 Flash costs $0.25: $0.15 for input and $0.10 for output, at the prices above. Same formula as the calculator; change the volume there.

Where this price sits

$0.15 per 1M input tokens is the 7th cheapest input price of the 77 current models with a verified price on AI Signal, and the 2nd of Mistral's 11. Output costs 3.3× the input price.

Other current models in the GLM family:

• GLM 5.3 1M tokens $1.40 in · $4.40 out

Mentioned in

2 posts on AI Signal cite GLM 5.3 Flash. The sentence is the post's own, taken from where it links here.

• AI Pricing This Week: OpenAI Shutdown, Mistral, Oct 19-25 · October 26, 2026

  | Model | Released | Added here | Input / output per 1M tokens | |---|---|---|---| | Mistral Large 4 | October 6 | October 22 | $1.36 / $4.18 | | GLM 5.3 Flash on Mistral | October 22 | October 23 | $0.15 / $0.50 |

• GLM 5.3 Flash API Pricing: $0.15 In, $0.50 Out, Same on Mistral and Z.ai · October 23, 2026

  The model has its own page with every figure and its source: GLM 5.3 Flash.

Specifications

GLM 5.3 Flash's API identifier, provider and limits, from the same row of the dataset as the prices above.

GLM 5.3 Flash was released on October 22, 2026. It returns up to 128K tokens per response, against a context window of 1M tokens.

Questions about GLM 5.3 Flash pricing

How much does GLM 5.3 Flash cost per million tokens?

$0.15 per 1M input tokens and $0.50 per 1M output tokens, read on Mistral's official pricing page on October 26, 2026.

What does a cached input token cost on GLM 5.3 Flash?

$0.03 per 1M cached input tokens, 20% of the $0.15 input price.

A Z.ai model served through Mistral's API. Pricing page row (Generalist models, Standard), read 2026-10-23: 'Model | Input | Cached input | Output | Z.ai GLM 5.3 Flash ↗ | $0.15 | $0.03 | $0.5 |'. Context and max output from Mistral's model page docs.mistral.ai/models/zai-glm-5-3-flash, read 2026-10-23: 'zai-glm-5-3-flash … Context 1M Max output 128k … $0.15 Input /M Tokens $0.03 Cached input /M Tokens $0.5 Output /M Tokens'. The same model page says 'October 22, 2026 Blog License GA Third-party Open v 5.3-flash' and 'The model is served without Mistral modifications.' First seen by this site's daily scan of the pricing page on 2026-10-23.

Verified October 26, 2026 against Mistral's official pricing page. Confidence: confirmed. No price change recorded for this model. How the data is checked.

Other Mistral models with a verified price

• Ministral 3 3B $0.10 in · $0.10 out
• Mistral Small 4 $0.15 in · $0.60 out
• Ministral 3 8B $0.15 in · $0.15 out
• Ministral 3 14B $0.20 in · $0.20 out
• Codestral $0.30 in · $0.90 out
• DeepSeek V4.1 Flash 1017 $0.30 in · $1.20 out
• Mistral Large 3 $0.50 in · $1.50 out
• Mistral Large 4 $0.70 in · $2.10 out
• GLM 5.3 GLM $1.40 in · $4.40 out
• Mistral Medium 3.5 $1.50 in · $7.50 out

Cheaper or equally priced alternatives

Current models with an input price at or below $0.15 per 1M tokens.

• Mistral Small 4 Mistral $0.15 in · $0.60 out
• Ministral 3 8B Mistral $0.15 in · $0.15 out
• Command R (08-2024) Cohere $0.15 in · $0.60 out
• Qwen3.8-Flash Alibaba (Qwen) $0.15 in · $0.47 out

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