Migrating from mistral-small-2503 to mistral-small-2506

What changes when you move from mistral-small-2503 to mistral-small-2506: input price 0%, output price 0%.

From: mistral-small-2503
Status: Retired
Shutdown: Nov 30, 2025
Time left: —

To: mistral-small-2506
Status: Retired
Shutdown: Jul 31, 2026
Time left: —

mistral-small-2506 is itself retired. Its replacement is mistral-small-2603.

Prices

USD per 1M tokens, standard tier

Type	mistral-small-2503	mistral-small-2506	Change
Input	$0.10first seen October 5, 2026 · source	$0.10first seen October 5, 2026 · source	0%
Output	$0.30first seen October 5, 2026 · source	$0.30first seen October 5, 2026 · source	0%

At 1M input and 250K output tokens a month: $0.175 on mistral-small-2503, $0.175 on mistral-small-2506 (0%).

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

Limits

Tokens

Limit	mistral-small-2503	mistral-small-2506	Change
Context window	128,000 tokensin place when tracking began (October 6, 2026) · source	128,000 tokensin place when tracking began (October 6, 2026) · source	0%
Max output tokens	Not published	Not published	—

Benchmarks

Same benchmark, source and setting on both sides

Benchmark	mistral-small-2503	mistral-small-2506	Change
Arena TextArena. Ranges don't overlap.	1303 ±5	1356 ±5	+53
Arena Text: CodingArena. Ranges don't overlap.	1361 ±8	1411 ±10	+50
Arena VisionArena.	1127 ±8	1140 ±9	+13 within range
GPQA DiamondEpoch AI.	41.9%	49.1%	+7.2 pts
OTIS Mock AIME 2024-2025Epoch AI.	3.9%	30.3%	+26.4 pts

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; Epoch AI, Capabilities & benchmarking (epoch.ai/benchmarks), CC BY.

Features and parameters

Compare models

Same on both

Structured outputs: supported on both.mistral-small-2503: in place when tracking began (October 6, 2026) · source · mistral-small-2506: in place when tracking began (October 6, 2026) · source
Function calling: supported on both.mistral-small-2503: in place when tracking began (October 6, 2026) · source · mistral-small-2506: in place when tracking began (October 6, 2026) · source
Batch API: supported on both.mistral-small-2503: in place when tracking began (October 6, 2026) · source · mistral-small-2506: in place when tracking began (October 6, 2026) · source
Image input: supported on both.mistral-small-2503: in place when tracking began (October 6, 2026) · source · mistral-small-2506: in place when tracking began (October 6, 2026) · source
PDF input: supported on both.mistral-small-2503: in place when tracking began (October 6, 2026) · source · mistral-small-2506: in place when tracking began (October 6, 2026) · source

Not published for mistral-small-2503: Prompt caching, Reasoning / thinking, Fine-tuning, Built-in web search, temperature parameter, top_p parameter, logprobs, Max output tokens.

Not published for mistral-small-2506: Prompt caching, Reasoning / thinking, Fine-tuning, Built-in web search, temperature parameter, top_p parameter, logprobs, Max output tokens.

Aliases

All aliases

No aliases point at either model.

On cloud platforms

All platform dates

Model	Platform	Platform ID	Shutdown	Time left
mistral-small-2503	Microsoft Foundryversion 1	mistral-small-2503	none announcedActive

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 mistral-small-2503 to mistral-small-2506.

Compared from AIWire's published data when this page loaded. Each fact links to the page it came from. Model pages: mistral-small-2503, mistral-small-2506.