Mistral Small 2503

Chat model by Mistral AI.

Mistral Small 2503 is a chat model made by Mistral AI, served on nRouter.

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Models / Mistral Small 2503ID: azure_ai/mistral-small-2503

Maker

Mistral AI

Served On: Azure Foundry

Specifications

Context window, ranked against other chat models

Proportional scale: 0 to 1.05M tokens. Not ranked, no published context window: glm-5.3-prime, qwen3-235b-a22b-2507, qwen3.7-max-2026-05-17.

Context window

—

Max output

—

Modality

chat

Vision
Function calling
System prompt

Pricing

Rates are read live

Pricing for mistral-small-2503 is fetched from the live catalogue on load, so it is never served from a cache that could outlive a repricing.

Availability

Not enough data yet

We have not collected enough health probes for this model to publish an uptime or latency figure. A percentage from a handful of samples is fabricated precision, so none is shown until the sample count supports one.

How Mistral Small 2503 is billed

Billed at the provider's list price, with no per-token markup.

Exact list price
Tokens settle at the published rate of the model that served your call.
Cache discounts passed through
Provider prompt-caching discounts reach your balance with no added fee.
Cost on every response
Each response carries the x-nr-request-cost header, so you can reconcile spend per request.

More from Mistral AI

ministral-3-8b-instructdevstral-2-123bministral-3-14b-instructmagistral-small-2509

Start building with mistral-small-2503

One API key, three steps. Choose your tool to begin.

  1. Get a key

    Create API key

  2. Set your API key

    export NROUTER_API_KEY="<YOUR_API_KEY>"

  3. Configure Claude Code

    Choose a tool, then copy its setup from the panel.

npm install -g @anthropic-ai/claude-code
Claude Code · azure_ai/mistral-small-2503
# Point Claude Code to nRouter gateway
export ANTHROPIC_BASE_URL="https://api.nrouter.ai"
export ANTHROPIC_API_KEY="$NROUTER_API_KEY"

# Launch with azure_ai/mistral-small-2503
claude --model azure_ai/mistral-small-2503

Questions? Answers.

What is Mistral Small 2503?

Mistral Small 2503 is a chat model made by Mistral AI, served on nRouter.

How much does Mistral Small 2503 cost?

Mistral Small 2503 is billed at the provider's list price on nRouter with no per-token markup — tokens settle at the exact upstream rate. Input and output rates are read live, so see the pricing section above for the current figures.

Does Mistral Small 2503 support tool calling and structured outputs?

Yes. Mistral Small 2503 supports tool calling (function calling), so it can invoke external tools and APIs during a conversation.

What inputs and outputs does Mistral Small 2503 support?

Mistral Small 2503 takes text as input and returns text as output.

How do I use Mistral Small 2503 via nRouter?

Use any OpenAI-compatible client: point it at https://api.nrouter.ai/v1 with your nRouter API key and set the model to "azure_ai/mistral-small-2503". The quick-start panel above has a copy-paste curl command for this model.

Where is the Mistral Small 2503 documentation?

Start at nrouter.ai/docs. The quick-start guide (nrouter.ai/docs/getting-started/quick-start) covers API keys and your first request, and the API reference (nrouter.ai/docs/api-reference) lists every parameter.

What other text models does Mistral AI have?

Other Mistral AI text models on nRouter include Ministral 3 8B Instruct (nrouter.ai/models/ministral-3-8b-instruct), Devstral 2.123B (nrouter.ai/models/devstral-2-123b), Ministral 3.14B Instruct (nrouter.ai/models/ministral-3-14b-instruct), Magistral Small (2509) (nrouter.ai/models/magistral-small-2509).