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Informations about the package mistral

aisdk/mistral

GitHub Workflow Status Total Downloads Latest Version License Why PHP in 2026


Official Mistral provider for the PHP AI SDK. Uses Mistral's OpenAI-compatible Chat Completions API and embeddings endpoint.

Installation

Basic Usage

Default model shorthand:

Configuration

Environment Variables

Variable Description Default
MISTRAL_API_KEY API key for authentication Required
MISTRAL_BASE_URL Base URL for API requests https://api.mistral.ai/v1

Programmatic Configuration

Supported Capabilities

Capability Support
Text generation Native
Streaming Native
Tool calling Native
Structured output Adapted (json_object + instruction); exact native support can be declared at runtime
Embeddings Native
Text input Native
Image input Supported by the adapter; the selected model is validated by Mistral

Streaming

Embeddings

Mistral's embedding request schema does not expose a dimensions field, so this adapter rejects the portable dimensions() option before sending a request.

Structured Output

Without an exact runtime capability override, the provider adapter degrades json_schema to json_object with an injected JSON instruction:

Models with native json_schema support (openai/gpt-oss-20b, openai/gpt-oss-120b, moonshotai/kimi*) use the native format directly.

Tools

Model IDs and Capabilities

Mistral model IDs pass through unchanged and do not need to be registered. The package does not ship a model inventory; the Mistral API remains the authority on whether a particular model accepts a requested feature.

Capabilities describe what the Mistral adapter can serialize. The Mistral API returns a normalized SDK exception if the selected model or requested feature is rejected.

Provider-Specific Options

Raw provider options can be passed as an escape hatch:

Testing

Documentation

Community


All versions of mistral with dependencies

PHP Build Version
Package Version
Requires php Version ^8.3
aisdk/core Version ^0.8.0
aisdk/openai-compatible Version ^0.8.0
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