Mistral Small (Mistral) API

Mistral AI · serves mistral-small

Pricing

Input / 1M$0.15
Output / 1M$0.60
Blended / 1M$0.75cheapest of 2
Context window131,072 tokens
Max output32,768 tokens
LicenseOpen weights · Apache 2.0 permissive
Knowledge cutoffJune 2025 · source

textfunction-calling

Price verified 2026-09-03 (2 days ago) · sourcesources disagree

Sources

Sources disagree by 47% on this price. The figure above is the primary source; cross-check before relying on it.

SourceInput / 1MOutput / 1MVerified
OpenRouter$0.15$0.602026-09-03
LiteLLM$0.10$0.302026-09-03
models.dev$0.10$0.302026-09-04

Independent sources disagree — treat with caution.

Latency measured

RegionTTFT p50TTFT p95Total p50Total p95ThroughputSamples
eu-paris270.5 ms320.3 ms1,575.7 ms1,630.3 ms142.1 tok/s5

Time-to-first-token, measured server-side. Measured 2026-09-04 (0 days ago).

Call it

OpenAI-compatible endpoint — set MISTRAL_API_KEY.

curl https://api.mistral.ai/v1/chat/completions \
  -H "Authorization: Bearer $MISTRAL_API_KEY" \
  -H "Content-Type: application/json" \
  -d '{
    "model": "mistral-small-2603",
    "messages": [{"role": "user", "content": "Hello"}]
  }'
from openai import OpenAI  # pip install openai

client = OpenAI(
    base_url="https://api.mistral.ai/v1",
    api_key="...",  # MISTRAL_API_KEY
)
resp = client.chat.completions.create(
    model="mistral-small-2603",
    messages=[{"role": "user", "content": "Hello"}],
)
print(resp.choices[0].message.content)

Price unchanged since 2026-09-03 — 1 point on record.

Use this data

Raw JSON for this page: mistral-small.json. Free to reuse under CC BY 4.0 with attribution to apipriceindex.com.