Mistral Medium 3.1
by Mistral · mistralai/mistral-medium-3.1 · #161 cheapest of 325 paid models
Prices updated Jul 22, 2026, 2:50 AM UTC · refreshed hourly
Mistral Medium 3.1 is an updated version of Mistral Medium 3, which is a high-performance enterprise-grade language model designed to deliver frontier-level capabilities at significantly reduced operational cost. It balances...
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Pricing
Input
$0.40
per 1M tokens
Output
$2.00
per 1M tokens
Blended (3:1)
$0.80
3 input : 1 output
Cache read
$0.04
per 1M cached tokens
Cache write
—
per 1M tokens
Cache & batch economics
Effective prices for Mistral Medium 3.1 with prompt caching.
| Cache hit rate | Effective blended $/1M | Example request* | vs no cache |
|---|---|---|---|
| 0% | $0.80 | $0.0428 | — |
| 50% | $0.665 | $0.0248 | −42% |
| 90% | $0.557 | $0.0104 | −76% |
*Example: 100K sticky context + 2K new input + 1K output. Batch discount is an approximate 50% off list rates (available for OpenAI / Anthropic / Google — not flagged for this creator). Confirm on the vendor’s pricing page.
What a request costs
| Workload | Input tokens | Output tokens | Cost / request | Cost / 1K requests |
|---|---|---|---|---|
| Short chat message | 500 | 300 | $0.0008 | $0.8 |
| Document summary | 8,000 | 1,000 | $0.0052 | $5.20 |
| Codebase question (RAG) | 30,000 | 2,000 | $0.016 | $16.00 |
| Long-context analysis | 150,000 | 5,000 | $0.07 | $70.00 |
Performance
Intelligence Index
14.7
AA composite quality
Coding Index
20.5
Math Index
38.3
Agentic Index
6.2
Output speed
83 tok/s
median
Time to first token
0.50s
median
Time to first answer
0.50s
after reasoning tokens
Artificial Analysis benchmarks
| Benchmark | Score |
|---|---|
| MMLU-Pro | 68.3% |
| GPQA Diamond | 58.8% |
| Humanity's Last Exam | 4.4% |
| LiveCodeBench | 40.6% |
| SciCode | 33.8% |
| AIME 2025 | 38.3% |
| IFBench | 39.8% |
| AA-LCR (Long Context Reasoning) | 19.7% |
| Terminal-Bench Hard | 10.6% |
| Terminal-Bench 2.1 | 13.9% |
| τ²-Bench (Telecom) | 40.6% |
| τ³-Bench Banking | 8.5% |
Design Arena Elo
| Category | Elo |
|---|---|
| Website | 1,160 |
| UI components | 1,140 |
| Data viz | 1,184 |
| SVG | 1,039 |
| 3D | 1,140 |
| Game dev | 1,132 |
| Code categories | 1,154 |
| ASCII art | 1,040 |
Specs
Context window
131K
tokens
Max output
—
tokens
Input modalities
text, image, file
Tokenizer
Mistral