LLM Perks

Devstral Small

Mistral AI · All Mistral models
Free right now Mid-size
CodingTool useOpen weights

Devstral Small is a language model from Mistral AI. It is currently free at 1 provider with up to 131K tokens of context. The model is suited to coding, supports tool calling. Its weights are open, so it can also run locally.

Developer
Mistral AI
Context
131K tokens
Type
Text
License
Open weights

Where to use Devstral Small for free

Each row is a separate free endpoint with its own limits.

ProviderContextLimitCard
Together AI
mistralai/Devstral-Small-2505
131K Fair use (depends on server load) — Open

Quick start

curl https://api.together.xyz/v1/chat/completions \
  -H "Authorization: Bearer $TOGETHER_API_KEY" \
  -H "Content-Type: application/json" \
  -d '{
    "model": "mistralai/Devstral-Small-2505",
    "messages": [{"role": "user", "content": "Hello!"}]
  }'

Example for Together AI. Any OpenAI-compatible client works: Cursor, Cline, OpenCode, Open WebUI.

Benchmarks

Intelligence Index
8.7
GPQA Diamond
43.4%
Humanity's Last Exam
4.0%
Terminal-Bench Hard
6.1%
τ²-Bench
38.0%
Long context (LCR)
32.0%

Source: Artificial Analysis · Devstral Small (May '25)

Similar free models

FAQ

Is Devstral Small free?

Yes. As of September 26, 2026, Devstral Small is free at Together AI. Each provider has its own limits — see the table above.

What is the context window of Devstral Small?

The largest context among free routes is 131,072 tokens. Some providers cap it lower.

How do I call Devstral Small via API?

Use any OpenAI-compatible client with base URL https://api.together.xyz/v1, model ID mistralai/Devstral-Small-2505, and a Together AI key.

How good is Devstral Small?

Artificial Analysis Intelligence Index: 8.7, GPQA Diamond: 43%. For comparison, the strongest free model in the catalog right now is GLM 5.3.

Is Devstral Small open-weight?

Yes, the weights are published — you can download and run it locally, for example with Ollama or LM Studio.