Migrating from devstral-medium-2507 to devstral-2512
What changes when you move from devstral-medium-2507 to devstral-2512: input price 0%, output price 0%, context window 128,000 → 256,000 tokens.
- Status
- Retired
- Shutdown
- May 31, 2026
- Time left
- —
- Status
- Retired
- Shutdown
- Jul 31, 2026
- Time left
- —
devstral-2512 is itself retired. Its replacement is mistral-medium-3-5.
Prices
USD per 1M tokens, standard tier| Type | devstral-medium-2507 | devstral-2512 | Change |
|---|---|---|---|
| Input | $0.40first seen October 5, 2026 · source | $0.40first seen October 5, 2026 · source | 0% |
| Output | $2.00first seen October 5, 2026 · source | $2.00first seen October 5, 2026 · source | 0% |
At 1M input and 250K output tokens a month: $0.90 on devstral-medium-2507, $0.90 on devstral-2512 (0%).
Other tiers, prompt-size bands and modalities are on each model's page.
Limits
Tokens| Limit | devstral-medium-2507 | devstral-2512 | Change |
|---|---|---|---|
| Context window | 128,000 tokensin place when tracking began (October 6, 2026) · source | 256,000 tokensin place when tracking began (October 6, 2026) · source | +100% |
| Max output tokens | Not published | Not published | — |
Benchmarks
Same benchmark, source and setting on both sides| Benchmark | devstral-medium-2507 | devstral-2512 | Change |
|---|---|---|---|
| Arena WebDevArena. Ranges don't overlap. | 1071 ±31 | 1196 ±21 | +125 |
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 modelsSame on both
- Structured outputs: supported on both.devstral-medium-2507: in place when tracking began (October 6, 2026) · source · devstral-2512: 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 · devstral-2512: 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 · devstral-2512: 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 · devstral-2512: 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 devstral-2512: Prompt caching, Image input, Reasoning / thinking, Fine-tuning, Built-in web search, temperature parameter, top_p parameter, logprobs, Max output tokens.
Aliases
All aliasesNo aliases point at devstral-medium-2507.
Aliases pointing at devstral-2512: devstral-latest (in place when tracking began (October 6, 2026) · source), devstral-medium-latest (in place when tracking began (October 6, 2026) · source)
On cloud platforms
All platform dates| Model | Platform | Platform ID | Shutdown | Time left |
|---|---|---|---|---|
| devstral-2512 | Amazon Bedrock | mistral.devstral-2-123b | Mar 30, 2027Legacy | 166 days |
Read daily from each platform's own pages. The status above uses each company's own date. Time left counts to 00:00 UTC on the shutdown date, which is the evening before in ET.
Checklist
- Change the model string from
devstral-medium-2507todevstral-2512.
Compared from AIWire's published data when this page loaded. Each fact links to the page it came from. Model pages: devstral-medium-2507, devstral-2512.