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Mistral

Mistral Small 4

Mistral Small 4 is Mistral AI's fast, low-cost open-weight model for high-volume chat, extraction and classification, with image input and function tools.

textstreamingfunction tools
mistral-small
Open in playground

Our price

$0.16 / $0.63

input / output per 1M

Official

Not available

USD · Published rate · Updated 2026-10-12

First request

Available
curl https://api.tokely.me/v1/chat/completions \
  -H "Authorization: Bearer $TOKELY_API_KEY" \
  -H "Content-Type: application/json" \
  -d '{
    "model": "mistral-small",
    "messages": [{"role": "user", "content": "Hello!"}],
    "max_tokens": 1024
  }'

Set TOKELY_API_KEY to your dashboard key. Requests require a funded Tokely balance. Base URL: https://api.tokely.me/v1.

Capabilities & limits

Context window
262,144 tokens
Model max output
4,000 tokens
Cached input price
$0.016 per 1M tokens
Provider
Mistral
API model ID
mistral-small
Category
Text
Endpoints
POST /v1/chat/completions
Tokely max output
4,000 tokens / request, including reasoning tokens
Default output
256 tokens. Set an explicit limit for longer responses.
Request limits
16 MB JSON body (including base64) · 128 messages · 32 function tools
Rate limit
60 requests / minute / account, across its keys
Supported input
Text and function tool results · inline PNG, JPEG and WebP images
Model modalities
text, image. Tokely accepts text, inline images and PDFs where listed above; audio and video input are not enabled.

The context includes your instructions, conversation history, tool definitions and generated output. Keep the input and requested output within the model’s context window.

API reference

Authenticate with Authorization: Bearer YOUR_TOKELY_API_KEY. Use an OpenAI SDK with the Tokely base URL.

model
Required string: mistral-small
messages
An array of system, developer, user, assistant and tool messages.
max_tokens
Optional integer, 1–4,000. Defaults to 256.
stream
Set true for Server-Sent Events (SSE).
tools
Function definitions executed by your application. Provider-hosted tools are not enabled.

The response contains choices with message or tool_calls, finish_reason, and usage (prompt_tokens, completion_tokens, total_tokens). Streaming sends chat completion chunks.

400 / 415
Invalid request, parameter, endpoint for this model, or content type.
401 / 403
Invalid, revoked or restricted API key.
402
Insufficient account balance or API key budget.
429
Request limit reached. Retry after the indicated delay.
502 / 503 / 504
Upstream failure, temporary service unavailability or request timeout.

Compare nearby prices

USD per million tokens. Compare price and context; these are not quality benchmarks.
ModelInputOutputContext
Mistral Small 4Mistral · this model$0.16$0.63262,144
Gemini Embedding 001Google$0.158825$0.635299Unconfirmed
MiMo V2.6 FlashXiaomi$0.252$0.5041,050,000
GLM 5.3 FlashChatGLM$0.20625$0.68751,048,576
GPT-5.6 LunaOpenAI$0.14$0.841,050,000

Frequently asked questions

How much does Mistral Small 4 cost?

$0.16 per million input tokens, $0.63 per million output tokens and $0.016 per million cached input tokens. Usage is charged to your Tokely balance.

Do I need a separate Mistral account?

Use your Tokely API key and balance. A separate provider key is not required.

How do I switch to this model?

Set model to mistral-small and use /v1/chat/completions. Keep your Tokely base URL and API key.

What is the context window?

262,144 tokens, including input and output. The Tokely request body and output limits listed above also apply.