Devstral 2 API
- Input
- $0.4per 1M tokens
- Output
- $2per 1M tokens
- Context
- 262K
Devstral 2 for OpenAI-style Chat Completions, Anthropic-style Messages, OpenAI-style Responses.
Explore Devstral 2 for OpenAI-style Chat Completions, Anthropic-style Messages, OpenAI-style Responses through the unified API. Supported interfaces and current availability are shown below.
- OpenAI-style Chat Completions
- Anthropic-style Messages
- OpenAI-style Responses
Model details
- Context window
- 262K tokens
- Max output
- —
- Input
- Text
- Output
- Text
- Capabilities
- Streaming, JSON output
- Interfaces
- OpenAI-style Chat Completions, Anthropic-style Messages, OpenAI-style Responses
Devstral 2 API pricing
Per 1M tokens. The Inferray price is what you are charged — no gateway fee is added on top of it.
| Metric | Price |
|---|---|
| Input | $0.4 |
| Cached input | Price not published |
| Output | $2 |
What Devstral 2 costs for real work
Typical workloads at list price, worked out from the rates above. Nothing is added on top.
| Workload | Tokens | Cost |
|---|---|---|
| 1,000 chat replies | 1,500 tokens in, 400 out, each | $1.40 |
| Summarise a 100-page document | 60K tokens in, 2K out | $0.028 |
| 10M tokens of coding-agent work | 10M tokens: 85% cached input, 12% fresh input, 3% output | $4.48 |
| 1M output tokens | Generated text only | $2.00 |
Devstral 2 is pay-as-you-go only
Devstral 2 is not included in Token Plans. Call it from a pay-as-you-go balance at the list price above, with no gateway fee.
Why teams pick it
- Devstral 2 for OpenAI-style Chat Completions, Anthropic-style Messages, OpenAI-style Responses.
Call Devstral 2
Devstral 2 answers on any of the APIs below — pick the one your code already speaks and just swap in your Inferray key.
curl https://api.inferray.com/v1/chat/completions \
-H "Authorization: Bearer inferray_..." \
-H "Content-Type: application/json" \
-d '{
"model": "devstral-2512",
"messages": [
{
"role": "user",
"content": "Hello"
}
]
}'curl https://api.inferray.com/v1/messages \
-H "Authorization: Bearer inferray_..." \
-H "Content-Type: application/json" \
-d '{
"model": "devstral-2512",
"max_tokens": 1024,
"messages": [
{
"role": "user",
"content": "Hello"
}
]
}'curl https://api.inferray.com/v1/responses \
-H "Authorization: Bearer inferray_..." \
-H "Content-Type: application/json" \
-d '{
"model": "devstral-2512",
"input": "Hello"
}'Conversation compaction is also available at POST /v1/responses/compact.
Use Devstral 2 in your tools
Every coding agent below has a setup guide. Set the model to devstral-2512.
More from Mistral
Alternatives to Devstral 2
- SonarSonar for OpenAI-style Chat Completions, Anthropic-style Messages, OpenAI-style Responses.Perplexity
- Qwen3.5 27BQwen3.5 27B for OpenAI-style Chat Completions, Anthropic-style Messages, OpenAI-style Responses.Alibaba
- Gemini 3.5 Flash LiteThe fastest, cheapest 3.5 model for high-throughput work.Google
Questions about this model
- How much does the Devstral 2 API cost?
- Devstral 2 costs $0.4 per 1M input tokens and $2 per 1M output tokens on Inferray. That is the list price, with no gateway fee on top.
- Is there a free tier for Devstral 2?
- No. You add credit and pay Devstral 2's list rate for each request — seats, projects, and API keys are free, and pay-as-you-go credit never expires.
- Am I charged for failed requests?
- No. A request that fails without returning a result is not billed. If a response fails part-way, the tokens already processed before the failure are charged.
- Is Devstral 2 included in Token Plans?
- No. Devstral 2 is pay-as-you-go only; Token Plans cover the other text models in the catalog.
- Can I use Devstral 2 in Claude Code?
- Yes. Set ANTHROPIC_BASE_URL to https://api.inferray.com, ANTHROPIC_AUTH_TOKEN to your Inferray key, and ANTHROPIC_MODEL to devstral-2512. The same key works in Codex, opencode, Cline, and other agents.
- Does Devstral 2 support tool calling and vision?
- Devstral 2 supports JSON output and streaming on Inferray. It does not take image input. It does not support tool calling.
- Is it the real Devstral 2?
- Yes. A request for devstral-2512 is answered by Devstral 2 from Mistral, billed at its published list price. Inferray never substitutes a different or smaller model.
Prices from the catalog as of November 12, 2026.