Mistral · 2026-04-30
Mistral Medium 3.5 pricing
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...
Prices from OpenRouter’s models API, updated October 29, 2026
What Mistral Medium 3.5 costs a month
| Workload | Standard | Batch API |
|---|---|---|
| Support chatbot: 1,000 chats a day, 1,500 tokens in, 400 out | $158 | $78.75 |
| Daily summaries: 10,000 a day, 3,000 tokens in, 300 out | $2,025 | $1,013 |
| Coding agent: 400 calls a day, 60,000 tokens in (80% cached), 2,000 out | $1,260 | $630 |
30 days. Cached input billed at the cache-read price. Use your own numbers.
Cheaper models with a similar context window
| Model | Provider | Input /1M | Output /1M | Cache read /1M | Context | Chatbot, per month* |
|---|---|---|---|---|---|---|
| GLM 5.3 Flash | Z.ai | $0.046 | $0.074 | $0.03 | 1.05M | $2.95 |
| Qwen3.7 Flash | Alibaba Qwen | $0.03 | $0.13 | $0.006 | 1M | $2.91 |
| Ling 3.0 Flash VL | inclusionai | $0.06 | $0.18 | $0.012 | 131K | $4.86 |
| Ternary Bonsai 2 9B | prism-ml | $0.08 | $0.13 | $0.04 | 262K | $5.16 |
| Nex-N2.5-Pro | nex-agi | $0.075 | $0.25 | $0.015 | 262K | $6.38 |
* Support chatbot: 1,000 chats a day, 1,500 tokens in, 400 out, 30 days, no caching. Prices in US dollars per 1M tokens.
Cheaper isn’t automatically as good. Glow’s GlowBench scores models on your kind of task before suggesting a swap.
Other Mistral models
| Model | Input /1M | Output /1M | Cache read /1M | Context | Chatbot, per month* |
|---|---|---|---|---|---|
| Mistral Large 4 | $1.36 | $4.18 | $0.14 | 1.05M | $111 |
| Mistral Small 4 | $0.15 | $0.60 | $0.015 | 262K | $13.95 |
| Devstral 2 2512 | $0.40 | $2 | $0.04 | 262K | $42.00 |
| Ministral 3 14B 2512 | $0.20 | $0.20 | $0.02 | 262K | $11.40 |
| Ministral 3 3B 2512 | $0.10 | $0.10 | $0.01 | 131K | $5.70 |
| Ministral 3 8B 2512 | $0.15 | $0.15 | $0.015 | 262K | $8.55 |
* Support chatbot: 1,000 chats a day, 1,500 tokens in, 400 out, 30 days, no caching. Prices in US dollars per 1M tokens.
Related
Mistral Medium 3.5: questions
How much does Mistral Medium 3.5 cost?
$1.50 per 1M input tokens and $7.50 per 1M output tokens, or $0.75 / $3.75 through the batch API. A 1,000-token prompt with a 500-token answer costs about $0.0053.
What is Mistral Medium 3.5’s context window?
262,144 tokens, with up to 209,715 output tokens per response.
Is there a cheaper alternative to Mistral Medium 3.5?
GLM 5.3 Flash costs $0.046 in and $0.074 out per 1M tokens with a similar context window. Whether it matches Mistral Medium 3.5’s quality depends on the task: test it on your own prompts (Glow’s GlowBench does this per task).
Know what each model really costs you.
Connect OpenRouter and Glow shows spend by model, key and product, and flags the swap that saves the most at the same quality.
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