---
id: "mistralai/mistral-small-3.1-24b-instruct"
also: ["mistralai/mistral-small-3.1-24b-instruct-2503", "mistralai/Mistral-Small-3.1-24B-Instruct-2503"]
cheapest_list_usd_per_m: "0.351 in, 0.555 out, at cloudflare on openrouter"
cheapest_effective_usd_per_m: "0.3504 in, 0.5497 out, at cloudflare on openrouter"
context: 128000
max_output: 102400
input: ["text", "image"]
output: ["text"]
released: "2025-03-17"
api: ["/api/v1/chat/completions", "/api/v1/completions", "/api/v1/messages", "/api/v1/responses"]
params: ["frequency_penalty", "logit_bias", "logprobs", "max_tokens", "min_p", "presence_penalty", "repetition_penalty", "seed", "stop", "structured_outputs", "temperature", "tool_choice", "tools", "top_k", "top_logprobs", "top_p"]
endpoints: 1
gateways: "openrouter (1)"
no_training: 1
trains: 0
retains_prompts: 0
---
# Mistral: Mistral Small 3.1 24B

Mistral Small 3.1 24B Instruct is an upgraded variant of Mistral Small 3 (2501), featuring 24 billion parameters with advanced multimodal capabilities. It provides state-of-the-art performance in text-based reasoning and...