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Mistral Medium 3.5 costs $1.50 per million input tokens and $7.50 per million output tokens. A typical chat turn comes to $0.009, or about $273.75 a month at 1,000 requests a day.
Mistral bills the Mistral Medium 3.5 API by the token, and input and output are priced separately: $1.50 for every million tokens you send and $7.50 for every million it writes back. On a chat turn with 3,000 tokens of history and a 600-token answer, input and output each make up about half of the cost — so trimming either one saves about the same.
In this calculator Mistral Medium 3.5 is in the mid-range price tier. At 1,000 chat turns a day, it costs $273.75 a month; the other mid-range models listed here cost: Mistral Large 3 ($73.00), DeepSeek V4 Pro ($96.36), Gemini 3.8 Flash ($136.88), Claude Sonnet 5 ($365.00). Prices are from the providers’ own price lists, checked on September 9, 2026. The calculator below opens with Mistral Medium 3.5 and that chat turn filled in — change the tokens and the volume to your own.
What ChatGPT, Claude, Gemini and Other Models Really Cost
Total cost
One request to GPT-5.6 Terra
Input tokens
150
$0.000300
Output tokens
500
$0.006000
If you keep this up
What drives your monthly bill
What you send
$0.18255%
What it writes back
$3.6595%
The AI's answers are 95% of your bill. Asking for shorter answers is usually the fastest way to spend less.
100 requests
$0.63
1,000 requests
$6.30
10,000 requests
$63.00
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List prices as of September 9, 2026, without prompt caching or batch discounts. A month is 365 ÷ 12 days at 1,000 requests a day.
| Workload | Tokens in / out | Per request | Per 1,000 requests | Per month |
|---|---|---|---|---|
| Short question | 150 / 500 | $0.003975 | $3.98 | $120.91 |
| Chat turn with history | 3,000 / 600 | $0.009 | $9.00 | $273.75 |
| Coding task | 4,000 / 1,200 | $0.015 | $15.00 | $456.25 |
| Document summary | 6,000 / 800 | $0.015 | $15.00 | $456.25 |
Models