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Migrating from mistral-small-2409 to mistral-small-2603

What changes when you move from mistral-small-2409 to mistral-small-2603: input price +50%, output price +100%, context window 32,000 → 256,000 tokens.

Status
Retired
Shutdown
Nov 30, 2025
Time left
—
Status
Active
Shutdown
none announced
Time left
—

Prices

USD per 1M tokens, standard tier
Typemistral-small-2409mistral-small-2603Change
Input$0.10first seen October 5, 2026 · source$0.15first seen October 5, 2026 · source+50%
Output$0.30first seen October 5, 2026 · source$0.60first seen October 5, 2026 · source+100%

At 1M input and 250K output tokens a month: $0.175 on mistral-small-2409, $0.30 on mistral-small-2603 (+71.4%).

Other tiers, prompt-size bands and modalities are on each model's page.

Limits

Tokens
Limitmistral-small-2409mistral-small-2603Change
Context window32,000 tokensin place when tracking began (October 6, 2026) · source256,000 tokensin place when tracking began (October 6, 2026) · source+700%
Max output tokensNot publishedNot published—

Features and parameters

Compare models

Same on both

  • Structured outputs: supported on both.mistral-small-2409: in place when tracking began (October 6, 2026) · source · mistral-small-2603: in place when tracking began (October 6, 2026) · source
  • Function calling: supported on both.mistral-small-2409: in place when tracking began (October 6, 2026) · source · mistral-small-2603: in place when tracking began (October 6, 2026) · source
  • Batch API: supported on both.mistral-small-2409: in place when tracking began (October 6, 2026) · source · mistral-small-2603: in place when tracking began (October 6, 2026) · source
  • PDF input: supported on both.mistral-small-2409: in place when tracking began (October 6, 2026) · source · mistral-small-2603: in place when tracking began (October 6, 2026) · source

Not published for mistral-small-2409: Prompt caching, Image input, Reasoning / thinking, Fine-tuning, Built-in web search, temperature parameter, top_p parameter, logprobs, Max output tokens.

Not published for mistral-small-2603: Prompt caching, Fine-tuning, Built-in web search, temperature parameter, top_p parameter, logprobs, Max output tokens.

No aliases point at mistral-small-2409.

Aliases pointing at mistral-small-2603: mistral-small-latest (in place when tracking began (October 6, 2026) · source)

Checklist

  1. Change the model string from mistral-small-2409 to mistral-small-2603.
  2. Re-check costs: mistral-small-2603 costs more than mistral-small-2409 (input +50%, output +100%).

Compared from AIWire's published data when this page loaded. Each fact links to the page it came from. Model pages: mistral-small-2409, mistral-small-2603.