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Migrating from devstral-medium-2507 to mistral-medium-3-5

What changes when you move from devstral-medium-2507 to mistral-medium-3-5: input price +275%, output price +275%, context window 128,000 → 256,000 tokens.

Status
Retired
Shutdown
May 31, 2026
Time left
—
Status
Active
Shutdown
none announced
Time left
—

Prices

USD per 1M tokens, standard tier
Typedevstral-medium-2507mistral-medium-3-5Change
Input$0.40first seen October 5, 2026 · source$1.50first seen October 5, 2026 · source+275%
Output$2.00first seen October 5, 2026 · source$7.50first seen October 5, 2026 · source+275%

At 1M input and 250K output tokens a month: $0.90 on devstral-medium-2507, $3.375 on mistral-medium-3-5 (+275%).

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

Limits

Tokens
Limitdevstral-medium-2507mistral-medium-3-5Change
Context window128,000 tokensin place when tracking began (October 6, 2026) · source256,000 tokensin place when tracking began (October 6, 2026) · source+100%
Max output tokensNot publishedNot published—

Benchmarks

Same benchmark, source and setting on both sides
Benchmarkdevstral-medium-2507mistral-medium-3-5Change
Arena WebDevArena. Ranges don't overlap.1071 ±311263 ±15+192

A score from one source is never compared with another source's, and company-reported scores are compared only within the same company; settings named where they differ. Data: Arena (arena.ai), CC BY 4.0.

Features and parameters

Compare models

Same on both

  • Structured outputs: supported on both.devstral-medium-2507: in place when tracking began (October 6, 2026) · source · mistral-medium-3-5: in place when tracking began (October 6, 2026) · source
  • Function calling: supported on both.devstral-medium-2507: in place when tracking began (October 6, 2026) · source · mistral-medium-3-5: in place when tracking began (October 6, 2026) · source
  • Batch API: supported on both.devstral-medium-2507: in place when tracking began (October 6, 2026) · source · mistral-medium-3-5: in place when tracking began (October 6, 2026) · source
  • PDF input: supported on both.devstral-medium-2507: in place when tracking began (October 6, 2026) · source · mistral-medium-3-5: in place when tracking began (October 6, 2026) · source

Not published for devstral-medium-2507: 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-medium-3-5: Prompt caching, Fine-tuning, Built-in web search, temperature parameter, top_p parameter, logprobs, Max output tokens.

Aliases

All aliases

No aliases point at devstral-medium-2507.

Aliases pointing at mistral-medium-3-5: mistral-medium-latest (in place when tracking began (October 6, 2026) · source)

Checklist

  1. Change the model string from devstral-medium-2507 to mistral-medium-3-5.
  2. Re-check costs: mistral-medium-3-5 costs more than devstral-medium-2507 (input +275%, output +275%).

Compared from AIWire's published data when this page loaded. Each fact links to the page it came from. Model pages: devstral-medium-2507, mistral-medium-3-5.