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MistralChatministral-3b-2512

Ministral 3B API

Input
$0.1per 1M tokens
Output
$0.1per 1M tokens
Context
131K
No gateway feesPay-as-you-go only

Ministral 3B for OpenAI-style Chat Completions, Anthropic-style Messages, OpenAI-style Responses.

Explore Ministral 3B 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
131K tokens
Max output
—
Input
Text, images
Output
Text
Capabilities
Vision, Streaming, JSON output
Interfaces
OpenAI-style Chat Completions, Anthropic-style Messages, OpenAI-style Responses

Ministral 3B API pricing

Per 1M tokens. The Inferray price is what you are charged — no gateway fee is added on top of it.

Ministral 3B pricing.
MetricPrice
Input$0.1
Cached inputPrice not published
Output$0.1

What Ministral 3B costs for real work

Typical workloads at list price, worked out from the rates above. Nothing is added on top.

WorkloadTokensCost
1,000 chat replies1,500 tokens in, 400 out, each$0.190
Summarise a 100-page document60K tokens in, 2K out$0.0062
10M tokens of coding-agent work10M tokens: 85% cached input, 12% fresh input, 3% output$1.00
1M output tokensGenerated text only$0.100

Ministral 3B is pay-as-you-go only

Ministral 3B 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

  • Ministral 3B for OpenAI-style Chat Completions, Anthropic-style Messages, OpenAI-style Responses.

Call Ministral 3B

Ministral 3B answers on any of the APIs below — pick the one your code already speaks and just swap in your Inferray key.

/v1/chat/completionsOpenAI-style Chat Completions · openai SDK or plain HTTP
curl https://api.inferray.com/v1/chat/completions \
  -H "Authorization: Bearer inferray_..." \
  -H "Content-Type: application/json" \
  -d '{
  "model": "ministral-3b-2512",
  "messages": [
    {
      "role": "user",
      "content": "Hello"
    }
  ]
}'
/v1/messagesAnthropic-style Messages · @anthropic-ai/sdk SDK or plain HTTP
curl https://api.inferray.com/v1/messages \
  -H "Authorization: Bearer inferray_..." \
  -H "Content-Type: application/json" \
  -d '{
  "model": "ministral-3b-2512",
  "max_tokens": 1024,
  "messages": [
    {
      "role": "user",
      "content": "Hello"
    }
  ]
}'
/v1/responsesOpenAI-style Responses · openai SDK or plain HTTP
curl https://api.inferray.com/v1/responses \
  -H "Authorization: Bearer inferray_..." \
  -H "Content-Type: application/json" \
  -d '{
  "model": "ministral-3b-2512",
  "input": "Hello"
}'

Conversation compaction is also available at POST /v1/responses/compact.

Use Ministral 3B in your tools

Every coding agent below has a setup guide. Set the model to ministral-3b-2512.

Run Ministral 3B in Claude Code

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Questions about this model

How much does the Ministral 3B API cost?
Ministral 3B costs $0.1 per 1M input tokens and $0.1 per 1M output tokens on Inferray. That is the list price, with no gateway fee on top.
Is there a free tier for Ministral 3B?
No. You add credit and pay Ministral 3B'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 Ministral 3B included in Token Plans?
No. Ministral 3B is pay-as-you-go only; Token Plans cover the other text models in the catalog.
Can I use Ministral 3B in Claude Code?
Yes. Set ANTHROPIC_BASE_URL to https://api.inferray.com, ANTHROPIC_AUTH_TOKEN to your Inferray key, and ANTHROPIC_MODEL to ministral-3b-2512. The same key works in Codex, opencode, Cline, and other agents.
Does Ministral 3B support tool calling and vision?
Ministral 3B supports image input, JSON output and streaming on Inferray. It does not support tool calling.
Is it the real Ministral 3B?
Yes. A request for ministral-3b-2512 is answered by Ministral 3B 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.