Mistral Small 4 API pricing
Token prices on OpenRouter and at the provider’s list price, and what your own workload would cost per month.
- Input
- $0.15
- Output
- $0.60
- Cached input
- $0.015
OpenRouter, per 1M tokens. A dash means no listed price.
Your monthly cost
- Input not in cache
- $13.50
- Output
- $10.80
- Total per month
- $24.30
- Per day
- $0.81
- Per request
- $0.00081
The share you mark as “from cache” is billed at this model’s published cache-read price. Cache-write charges are not included. Compare this bill with other models.
Every price, with its source
OpenRouter price, per 1M tokens
- Input
- $0.15
- Output
- $0.60
- Cached input (read)90% below the input price
- $0.015
- Batch (input / output)
- $0.075 / $0.30
- Context window
- 262,144 tokens
- Maximum output
- 209,715 tokens
- Accepts
- text, image
- Reasoning mode
- yes
- Intelligence Indexby Artificial Analysis, relayed by OpenRouter
- 11.3
- Listed since
- 16 Mar 2026
Provider list price, per 1M tokens
- Input / output
- $0.15 / $0.60
- Cached input (read)
- $0.015
As recorded in the LiteLLM price table under mistral/mistral-small-2603, which cites the provider’s pricing page. It matches the OpenRouter price.
Collected from the OpenRouter models API (466 entries). 99 models are cross-checked against provider list prices in the LiteLLM price table.
About Mistral Small 4
Mistral Small 4 is the next major release in the Mistral Small family, unifying the capabilities of several flagship Mistral models into a single system. It combines strong reasoning from...
Description supplied by OpenRouter. Model id for the API: mistralai/mistral-small-2603
Mistral Small 4 against other models
Other Mistral models
Questions and answers
How much does Mistral Small 4 cost per million tokens?
At the collection of 3 Oct 2026, 08:40 UTC, OpenRouter listed Mistral Small 4 at $0.15 per million input tokens and $0.60 per million output tokens. The provider list price recorded by LiteLLM is $0.15 for input and $0.60 for output.
What would Mistral Small 4 cost per month?
For 1,000 requests a day with 3,000 input and 600 output tokens each, over a 30-day month and with no caching, the bill is $24.30. Change the numbers in the simulator on this page to match your own traffic.
Does Mistral Small 4 have a cheaper price for cached input?
Yes. Cached input is listed at $0.015 per million tokens, 90% below the normal input price.
What is the context window of Mistral Small 4?
262,144 tokens, with a maximum output of 209,715 tokens, as reported by OpenRouter.
Is there a batch price for Mistral Small 4?
Yes. OpenRouter lists a batch variant at $0.075 per million input tokens and $0.30 per million output tokens, for requests that can wait for an asynchronous answer.
Keep going
- Price tableEvery model and its price, sorted by your monthly bill.
- Cost calculatorYour monthly bill on up to four models, line by line.
- Cheapest modelsThe five lowest-cost models in each category.
- Free modelsModels listed at zero price, kept apart from the paid ones.
- Price changesA dated log of every price that went up or down.
- Caching and batch discountsHow the two discounts work and what you save.
- Long-context pricingModels that read very long prompts, and what they charge.