Mistral Medium 3.5 vs GPT-5.4 Mini price
Input, output, cached and batch prices, every route and a month of tokens, side by side.
Mistral Medium 3.5
GPT-5.4 MiniA month of tokens
100M input and 20M output tokens, list price. Use your own numbers.
Side by side
| Mistral Medium 3.5 | GPT-5.4 Mini | |
|---|---|---|
| Input per 1M | $1.5 | $0.75 |
| Output per 1M | $7.5 | $4.5 |
| Cached input | n/a | $0.075 |
| Batch in / out | $0.75 / $3.75 | $0.375 / $2.25 |
| Blended (3:1) | $3 | $1.69 |
| Context | 262K | 400K |
| Routes | 3 | 5 |
| Released | Apr 30, 2026 | Mar 17, 2026 |
| Leadersboard score | n/a | n/a |
On the price map
Size: context window, 8K to 2MEqual blended cost (3:1) 245 models, lower left is cheaper
Every route
Mistral Medium 3.5
| Way to buy | Input | Output | In / out per 1M | Cached | Vs list |
|---|---|---|---|---|---|
| Mistral AI API The 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 |
GPT-5.4 Mini
| Way to buy | Input | Output | In / out per 1M | Cached | Vs list |
|---|---|---|---|---|---|
| OpenAI flex, cheapest · cached $0.037 | $0.375 | $2.25 | $0.375 / $2.25-50% vs list | $0.037 | -50% vs list |
| OpenAI API The lab's own API · cached $0.075 | $0.75 | $4.5 | $0.75 / $4.5List price | $0.075 | List price |
 Azure AI FoundryDefault region · cached $0.075 | $0.75 | $4.5 | $0.75 / $4.5Same as list | $0.075 | Same as list |
| Azure AI Foundry us · cached $0.083 | $0.825 | $4.95 | $0.825 / $4.95+10% vs list | $0.083 | +10% vs list |
| OpenAI fast · cached $0.15 | $1.5 | $9 | $1.5 / $9+100% vs list | $0.15 | +100% vs list |
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.