Ways to buy 3
| Way to buy | Input | Output | In / out per 1M | Cached | Vs list |
|---|---|---|---|---|---|
 Mistral AI APIThe lab's own API | $1.5 | $7.5 | $1.5 / $7.5List price | n/a | List price |
| Mistral AI zdr | $1.5 | $7.5 | $1.5 / $7.5Same as list | n/a | Same as list |
| Mistral AI eu | $1.65 | $8.25 | $1.65 / $8.25+10% vs list | n/a | +10% vs list |
USD per 1M tokens; batch $0.75 in, $3.75 out on the lab's API. Regions are separate routes.
Through a gateway
Your own numbers100M input and 20M output tokens a month: $300.00 direct.
Helicone$300.00+0%
Kong AI Gateway$300.00+0%
LiteLLM$300.00+0%
Vercel AI Gateway$300.00+0%
Cloudflare AI Gateway$315.00+5%
Requesty$315.00+5%
Eden AI$316.50+5.5%
OpenRouter$316.50+5.5%
No published token fee: Martian Gateway, Portkey, TrueFoundry AI Gateway.
Related models
| In / out per 1M | Cheapest route | ||||||
|---|---|---|---|---|---|---|---|
| Mistral Small 4 Mistral AI · 262K | $0.15 | $0.6 | $0.15 / $0.6 | $0.262 | 262K | Lab list price | · |
| Devstral 2 2512 Mistral AI · 262K | $0.4 | $2 | $0.4 / $2 | $0.8 | 262K | on Mistral AI (eu) | · |
| Ministral 3 14B 2512 Mistral AI · 262K | $0.2 | $0.2 | $0.2 / $0.2 | $0.2 | 262K | Lab list price | · |
| Ministral 3 3B 2512 Mistral AI · 131K | $0.1 | $0.1 | $0.1 / $0.1 | $0.1 | 131K | Lab list price | · |
 GPT-5.6 SolOpenAI · 1.05MCheapest: $2 on OpenAI (flex) | $2 | $10 | $2 / $10 | $4 | 1.05M | $2 on OpenAI (flex) | · |
 Muse Spark 1.3Meta · 1M | $1.25 | $4.25 | $1.25 / $4.25 | $2 | 1M | Lab list price | · |
 Gemini 3.8 FlashGoogle · 1MCheapest: $0.75 on Google Gemini API (flex) | $0.75 | $3.75 | $0.75 / $3.75 | $1.5 | 1M | $0.75 on Google Gemini API (flex) | · |
| Gemini 3.1 Pro Preview Google · 1MCheapest: $2.25 on Google Vertex AI (global-flex) | $2 | $12 | $2 / $12 | $4.5 | 1M | $2.25 on Google Vertex AI (global-flex) | · |
About Mistral Medium 3.5
Mistral Medium 3.5 is a dense 128B instruction-following model from Mistral AI.
Takes text, image, files in and returns text. First listed May 13, 2026. Up to 210K output tokens. Blended price $3 per 1M tokens at 3 input to 1 output. Model id mistral-medium-3-5.
Price history
List price since May 13, 2026, from Internet Archive snapshots of the OpenRouter catalog, then daily reads.
Questions
How much does Mistral Medium 3.5 cost?
$1.5 per million input tokens and $7.5 per million output tokens, or $0.75 and $3.75 through the Batch API.
What is the context window of Mistral Medium 3.5?
262K tokens, with up to 210K tokens of output.
Where is Mistral Medium 3.5 cheapest?
Of 3 routes tracked, Mistral AI is cheapest at $1.5 input and $7.5 output per million tokens.
Sources: OpenRouter's public model catalog and each provider's own pricing page, read every morning at 05:00 UTC; gateway fees re-read every Monday. List prices: your contract may differ. Logos via logo.dev; trademarks belong to their owners.