Mistral AI · LLM API pricing

Mistral Small 3.1 API pricing: cheapest provider

3 providers sell Mistral Small 3.1. Google Cloud Vertex AI is cheapest, and listed prices are close.

Cheapest$0.15per 1M · Google Cloud Vertex AI
Input · output$0.10 / $0.30per 1M tokens
Price gap1.0×across 3 providers
Accuracy47.5%GPQA
Context128Kmax tokens

$0.15 Google Cloud Vertex AIclose prices$0.15 Microsoft Azure AI Foundry

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Standard list prices in USD from each provider's pricing page · last price change Sep 28, 2026 · How we collect and rank prices

Ranked for your volume

Mistral Small 3.1 monthly cost by provider

Change the monthly tokens and the ranking updates instantly, using each provider's standard list price.

Input tokens per month (millions)Prompts, context and documents you send.Output tokens per month (millions)Tokens the model generates.

More requirements: caching, context, features, provider

Cached share of input (%)0 = no caching. Only documented cache-read rates qualify.Required context per request (tokens)0 = any. Providers without a sufficient known limit are excluded.Required featureProvider requirement

Provider	Estimated / month	Input / 1M	Output / 1M	Context
1 Google Cloud Vertex AICloud platform - lowest for your volumePricing page	$1.60	$0.10	$0.30	128,000
2 IBM watsonx.aiCloud platformPricing page	$1.60	$0.10	$0.30	32,000
3 Microsoft Azure AI FoundryCloud platformPricing page	$1.60	$0.10	$0.30	128,000

Order depends on listed price for your volume only. No provider pays for its position.

Input volume includes the cached share, not an additional token volume. This is a list-price estimate, not a quote: cache-write charges, cache eligibility/TTL, batch discounts, long-context surcharges, regional pricing and taxes are excluded. Check the provider's terms for your workload before switching.

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| Mistral Small 3.1 provider | Input / 1M tokens | Output / 1M tokens | 10M in + 2M out per month |
|---|---:|---:|---:|
| Google Cloud Vertex AI | $0.10 | $0.30 | $1.60 |
| IBM watsonx.ai | $0.10 | $0.30 | $1.60 |
| Microsoft Azure AI Foundry | $0.10 | $0.30 | $1.60 |

Standard list prices as of Nov 1, 2026. Source: [AISelect.online](https://aiselect.online/models/mistral-small-2503)

Accuracy: GPQA Diamond (graduate-level science questions) measured by Epoch AI (CC BY 4.0) on mistral-small-2503, run Mar 18, 2025. The model is the same at every provider, though quantized deployments can score lower.

Price history

The cheapest price has not changed since tracking started on Sep 28, 2026: $0.15 per 1M tokens at Google Cloud Vertex AI. All price changes

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Before you pick a provider

Context windows differ by provider, from 32K to 128K tokens. A cheaper host may not accept your longest prompts.

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