What is Devstral Small 2?

Devstral Small 2 is a large language model from Mistral AI, released on December 9, 2025. It accepts text and image input.

When was Devstral Small 2 released?

Mistral AI released Devstral Small 2 on December 9, 2025.

How much does Devstral Small 2 cost?

Devstral Small 2 costs $0.10 per 1M input tokens and $0.30 per 1M output tokens through the Mistral AI API. Prices are from Mistral AI's official pricing as of October 5, 2026.

What is Devstral Small 2's context window?

Devstral Small 2 has a 256K-token context window.

How does Devstral Small 2 score on benchmarks?

Devstral Small 2 has 3 cited benchmark scores, including SWE-bench Multilingual 55.7%, SWE-bench Verified 68% and Terminal Bench 2 22.5%. Each score links to its source.

Devstral Small 2

Mistral AI·Operational·Released 2025-12-09textvision

Context256k

Max output-

Input / 1M$0.1 ↗

Output / 1M$0.3 ↗

Cached in-

Benchmarks3

Benchmarks

Cited public sources · rank is exact-benchmark, apples-to-apples

SWE-bench Multilingual

#14/1555.7% ↗

SWE-bench Verified

#46/5968% ↗

Terminal Bench 2

#2/322.5% ↗

Compare

vs Gemini 4 Argon vs GPT-6.1 Sol vs Claude Sonnet 5.5 vs Muse Spark 1.3 vs GPT-6 Sol vs GPT-6 Luna vs Claude Opus 5.5 vs GPT-6 Astra

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Devstral Small 2 FAQ

What is Devstral Small 2?: Devstral Small 2 is a large language model from Mistral AI, released on December 9, 2025. It accepts text and image input.
When was Devstral Small 2 released?: Mistral AI released Devstral Small 2 on December 9, 2025.
How much does Devstral Small 2 cost?: Devstral Small 2 costs $0.10 per 1M input tokens and $0.30 per 1M output tokens through the Mistral AI API. Prices are from Mistral AI's official pricing as of October 5, 2026.
What is Devstral Small 2's context window?: Devstral Small 2 has a 256K-token context window.
How does Devstral Small 2 score on benchmarks?: Devstral Small 2 has 3 cited benchmark scores, including SWE-bench Multilingual 55.7%, SWE-bench Verified 68% and Terminal Bench 2 22.5%. Each score links to its source.

Access Devstral Small 2 and every other model through one endpoint with automatic failover: Respan gateway.