Mistral: Mistral Medium 3.5 API Pricing
Mistral: Mistral Medium 3.5 costs $1.50 per 1M input tokens and $7.50 per 1M output tokens. Context window: 262K. Prices verified 2026-10-21 · source
Alternatives to consider
97% cheaper with nearly identical quality (41.8 vs 30)
+30 quality points for 5% more
Cheapest mistralai model — 99% less per month
Rebuilt daily from our snapshot archive — the chart appears once a model has 5+ snapshots of history.
From our own daily snapshot archive — independent of provider announcements.
Intelligence measures reasoning/knowledge/coding benchmarks. A high score with a low blended price = value pick; check the value chart to see where this model lands.
Higher effort = deeper thinking = more reasoning tokens billed as output.
What would Mistral: Mistral Medium 3.5 cost you per month?
| Workload | Requests/mo | Avg tokens (in/out) | Est. monthly cost |
|---|---|---|---|
| Light chatbot | 10,000 | 800 / 400 | $42.00 |
| Coding agent | 5,000 | 8,000 / 2,000 | $135.00 |
| RAG pipeline | 30,000 | 4,000 / 500 | $292.50 |
| Doc summarizer | 2,000 | 20,000 / 1,000 | $75.00 |
Estimates use list prices without prompt caching. Caching can cut input cost by up to 90% on repeated context.
About Mistral: Mistral Medium 3.5
Mistral Medium 3.5 is a dense 128B instruction-following model from Mistral AI. It supports text and image inputs with text output, and is designed for agentic workflows, coding, and complex...
Compare Mistral: Mistral Medium 3.5 with
- Medium 3.5 vs OpenAI: GPT-5.6 Terra Pro
- Medium 3.5 vs Anthropic: Claude Fable 5
- Medium 3.5 vs Anthropic: Claude Opus 5
- Medium 3.5 vs OpenAI: GPT-5.6 Sol
Popular head-to-heads — see all on the comparisons index.
Frequently asked questions
How much does Mistral: Mistral Medium 3.5 cost?
Mistral: Mistral Medium 3.5 costs $1.50 per 1M input tokens and $7.50 per 1M output tokens. Verified 2026-10-21 — provider source.
What is the context window?
262K tokens, with up to 210K output tokens per response. That's roughly 328 pages of text in a single request.
Does it support prompt caching?
Prompt-caching pricing is not published for this model via OpenRouter.
What's a cheaper alternative?
ScaleDown: Summarize saves about 99% on a typical workload with comparable quality.
Official resources
- Mistral: Mistral Medium 3.5 on OpenRouter — live endpoint, pricing source of record.
- Artificial Analysis benchmarks → — independent intelligence and performance analysis.
- Mistral models → — first-party model specifications and limits.
- Shred your current bill — paste a CSV and see if switching saves money.