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Codestral 2508 mistralai
Release timeline
Stages observed by the nightly radar: announced → API only → weights public → served by third parties. Each entry carries the source it was seen at.
- 2025-08-01 · API only source seeded from the earliest dated observation when first seen · observed 2026-10-07 20:20 UTC
Description
Mistral's cutting-edge language model for coding released end of July 2025. Codestral specializes in low-latency, high-frequency tasks such as fill-in-the-middle (FIM), code correction and test generation. [Blog Post](https://mistral.ai/news/codestral-25-08)
via OpenRouter listing · observed 2026-10-24 21:26 UTC. The listing text is the provider's own description, not an assessment.
Where to run 2 providers · 3 endpoints
Hosted endpoints observed for Codestral 2508, sorted by input price (USD per million tokens). Each row names its observer and date; prices change daily, so check the source before quoting. Cheapest observed input price: $0.30/M.
| Provider | Model ref | Context | Quant | $/M in | $/M out | tok/s | TTFT | Tools | Status | Observed |
|---|---|---|---|---|---|---|---|---|---|---|
| Mistral openrouter | mistralai/codestral-2508 | 250K | unknown | $0.30 | $0.90 | — | — | yes | live | 2026-10-24 |
| Mistral openrouter | mistralai/codestral-2508 | 250K | unknown | $0.33 | $0.99 | — | — | yes | live | 2026-10-24 |
| Mistral (first-party) mistral-api | codestral-2508 | 250K | — | — | — | — | — | — | live | 2026-10-24 |
No third-party providers observed beyond the lab's own endpoints. Cache-read price $0.03/M (source, observed 2026-10-24).
Facts
| Context length | 256,000 tokens (250K) · OpenRouter listing |
|---|---|
| Modalities | text + file → text |
| Max completion tokens | 204,800 |
| Knowledge cutoff | 2025-03-31 |
| Lab API ids | Mistral: codestral-2508 |
| Supported parameters | frequency_penalty, max_tokens, prediction, presence_penalty, response_format, seed, stop, structured_outputs, temperature, tool_choice, tools, top_p |
| Openness | Closed weights · open-weights lab, name matches a closed line |
| Stage | API only |
| Confidence | medium |
| Pricing (USD per M tokens) |
in $0.30 · out $0.90 · cache read $0.03 OpenRouter list price (cheapest live endpoint) · source · observed 2026-10-24 21:26 UTC |
Open alternatives 5
Nearest open-weights models by modality, context and price on this watch list. Not a quality ranking.
| Model | Org | Params | Context | $/M in | License | Why it is here |
|---|---|---|---|---|---|---|
| Meta-Llama-3-8B-Instruct | meta-llama | 8.03B | — | — | llama3 | closest by rank, context and price |
| MiniMax-M2.5 | MiniMaxAI | 229B | 192K | $0.27 | other | similar context (197K), cheaper input price ($0.27/M vs $0.3/M) |
| DeepSeek-R1 | deepseek-ai | 684B | 160K | $0.70 | mit | closest by rank, context and price |
| Llama-3.1-8B | meta-llama | 8.03B | — | — | llama3.1 | closest by rank, context and price |
| GLM-5 | zai-org | 754B | 198K | $0.60 | mit | similar context (203K) |
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Sources
- openrouter mistralai/codestral-2508 · observed 2026-10-24 21:26 UTC
- mistral codestral-2508 · observed 2026-10-24 21:26 UTC
Radar run: 2026-10-25 06:51 UTC · Last verified 2026-10-25 06:51 UTC