How much does Mistral Small 4 cost per month?

For a chatbot handling 10,000 requests a day with 1,000 input and 500 output tokens each, Mistral Small 4 costs about $135.00 per month at Mistral's list prices ($0.15 per 1M input tokens, $0.60 per 1M output tokens).

Does Mistral Small 4 support prompt caching?

Yes. Cached input costs $0.015 per 1M tokens, compared with $0.15 for regular input.

How long is Mistral Small 4's context window?

Mistral Small 4 accepts up to 262,144 tokens (262K) of context and returns up to 256,000 tokens per response.

Mistral Small 4 API Pricing

Mistral · released Mar 16, 2026 · 262K context · API model ID mistral-small-2603

Mistral Small 4 by Mistral API pricing: $0.15 per 1M input tokens and $0.60 per 1M output tokens (provider list price via models.dev, Oct 10, 2026).

Prices

Mistral Small 4 prices, USD per 1M tokens
Price	USD per 1M tokens
Input	$0.15
Output	$0.60
Cache read	$0.015
Cache write	Not published

Mistral's list price for its own API, as compiled by models.dev and checked Oct 10, 2026, 09:00 UTC. Prices on cloud platforms and resellers can differ. Provider documentation

Estimated monthly cost

$135.00

per month

per day: $4.50
per request: $0.00045

Cost = input tokens × input price + output tokens × output price, 30 days a month. Cached input uses the cache read price. Cache write fees are not included.

Compare this workload across models

Monthly cost by workload

Workload	Per month
Chatbot1,000 in / 500 out tokens, 10,000 requests a day	$135.00/mo
RAG8,000 in / 500 out tokens, 5,000 requests a day	$225.00/mo
Coding agent50,000 in / 2,000 out tokens, 1,000 requests a day, 80% cached input	$99.00/mo

Context and capabilities

Context: 262,144 tokens
Max output: 256,000 tokens
Input: text, image
Output: text
Knowledge cutoff: June 2025
Open weights: Yes
Tool calling: Yes
Reasoning: Yes
Structured outputs: No

Capabilities and limits as listed by models.dev.

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Price history

No price changes since we started tracking on Oct 8, 2026.

Questions

How much does Mistral Small 4 cost per month?: For a chatbot handling 10,000 requests a day with 1,000 input and 500 output tokens each, Mistral Small 4 costs about $135.00 per month at Mistral's list prices ($0.15 per 1M input tokens, $0.60 per 1M output tokens).
Does Mistral Small 4 support prompt caching?: Yes. Cached input costs $0.015 per 1M tokens, compared with $0.15 for regular input.
How long is Mistral Small 4's context window?: Mistral Small 4 accepts up to 262,144 tokens (262K) of context and returns up to 256,000 tokens per response.