Author's Description
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...
Key Specifications
Supported Parameters
This model supports the following parameters:
Features
This model supports the following features:
Performance Summary
Mistral Medium 3.5, a dense 128B instruction-following model from Mistral AI, demonstrates strong overall performance, particularly in speed and reliability. It consistently ranks among the fastest models, achieving the 92nd percentile across eight benchmarks. Its reliability is exceptional, boasting a 100% success rate across all evaluated benchmarks, indicating minimal technical failures. While its pricing is moderate, ranking in the 31st percentile, its performance often justifies the cost. The model exhibits key strengths in hallucination prevention, achieving perfect 100% accuracy, making it the most accurate model at its price point and among models of comparable speed. It also excels in coding, with 95.0% accuracy (92nd percentile), and mathematics, scoring 94.0% (80th percentile). General knowledge and ethics also show strong results at 99.5% and 99.0% accuracy, respectively. Instruction following and reasoning capabilities are solid, with 71.0% and 80.0% accuracy. Email classification is competent at 98.0%. Overall, Mistral Medium 3.5 is a highly reliable and fast model, particularly well-suited for tasks requiring precision in coding, mathematical problem-solving, and avoiding factual inaccuracies.
Model Pricing
Current Pricing
| Feature | Price (per 1M tokens) |
|---|---|
| Prompt | $1.5 |
| Completion | $7.5 |
Price History
Available Endpoints
| Provider | Endpoint Name | Context Length | Pricing (Input) | Pricing (Output) |
|---|---|---|---|---|
|
Mistral
|
Mistral | mistralai/mistral-medium-3.5-20260430 | 262K | $1.5 / 1M tokens | $7.5 / 1M tokens |
Benchmark Results
| Benchmark | Category | Reasoning | Strategy | Free | Executions | Accuracy | Cost | Duration |
|---|
Other Models by mistralai
|
|
Released | Params | Context |
|
Speed | Ability | Cost |
|---|---|---|---|---|---|---|---|
| Mistral: Mistral Medium 3.5 | Apr 30, 2026 | ~128B | 262K |
Image input
Text input
Text output
|
★★★★★ | ★★★★ | $$$$ |
| Mistral: Mistral Small 4 | Mar 16, 2026 | — | 262K |
Image input
Text input
Text output
|
★★★★★ | ★★★ | $$ |
| Mistral: Mistral Small Creative Unavailable | Dec 16, 2025 | — | 32K |
Text input
Text output
|
★★★★★ | ★★ | $$ |
| Mistral: Devstral 2 2512 | Dec 09, 2025 | ~123B | 262K |
Text input
Text output
|
★★ | ★★★★ | $$ |
| Mistral: Ministral 3 14B 2512 | Dec 02, 2025 | 14B | 262K |
Image input
Text input
Text output
|
★★★★★ | ★★ | $$ |
| Mistral: Ministral 3 8B 2512 | Dec 02, 2025 | 8B | 262K |
Image input
Text input
Text output
|
★★★★★ | ★★ | $$ |
| Mistral: Ministral 3 3B 2512 | Dec 02, 2025 | 3B | 131K |
Image input
Text input
Text output
|
★★★★★ | ★★ | $$ |
| Mistral: Mistral Large 3 2512 | Dec 01, 2025 | ~32B | 262K |
Image input
Text input
Text output
|
★★★ | ★★★ | $$$ |
| Mistral: Voxtral Small 24B 2507 | Oct 30, 2025 | 24B | 32K |
Audio input
Text input
Text output
|
★★★★★ | ★★★ | $$ |
| Mistral: Mistral Medium 3.1 | Aug 13, 2025 | — | 131K |
Image input
Text input
Text output
|
★★★ | ★★★★ | $$$$ |
| Mistral: Codestral 2508 | Aug 01, 2025 | ~2.5B | 256K |
Text input
Text output
|
★★★ | ★★ | $$$ |
| Mistral: Devstral Medium | Jul 10, 2025 | — | 131K |
Text input
Text output
|
★★★★ | ★★★★ | $$$ |
| Mistral: Devstral Small 1.1 | Jul 10, 2025 | ~24B | 131K |
Text input
Text output
|
★★★★★ | ★★★ | $$ |
| Mistral: Mistral Small 3.2 24B | Jun 20, 2025 | 24B | 131K |
Image input
Text input
Text output
|
★★★★ | ★★★ | $$ |
| Mistral: Magistral Small 2506 Unavailable | Jun 10, 2025 | ~24B | 40K |
Text input
Text output
|
★★★ | ★★ | $$$$ |
| Mistral: Magistral Medium 2506 Unavailable | Jun 07, 2025 | — | 40K |
Text input
Text output
|
★★★★ | ★★★★ | $$$$$ |
| Mistral: Devstral Small 2505 Unavailable | May 21, 2025 | ~24B | 128K |
Text input
Text output
|
★★★★★ | ★★★★ | $ |
| Mistral: Mistral Medium 3 | May 07, 2025 | — | 131K |
Image input
Text input
Text output
|
★★★ | ★★★★ | $$$ |
| Mistral: Mistral Small 3.1 24B | Mar 17, 2025 | 24B | 131K |
Image input
Text input
Text output
|
★★★★ | ★★★ | $$ |
| Mistral: Saba | Feb 17, 2025 | ~24B | 32K |
Text input
Text output
|
★★ | ★★★ | $$ |
| Mistral: Mistral Small 3 | Jan 30, 2025 | 24B | 32K |
Text input
Text output
|
★★★★★ | ★★★★ | $ |
| Mistral: Codestral 2501 Unavailable | Jan 14, 2025 | ~2.5B | 256K |
Text input
Text output
|
★★★ | ★★★ | $$$ |
| Mistral Large 2411 | Nov 18, 2024 | ~32B | 131K |
Text input
Text output
|
★★★★ | ★★★ | $$$$ |
| Mistral Large 2407 | Nov 18, 2024 | ~32B | 131K |
Text input
Text output
|
★★★★ | ★★★ | $$$$ |
| Mistral: Pixtral Large 2411 | Nov 18, 2024 | ~124B | 131K |
Image input
Text input
Text output
|
★★★ | ★★★ | $$$$ |
| Mistral: Ministral 3B Unavailable | Oct 16, 2024 | 3B | 131K |
Text input
Text output
|
★★★★★ | ★★ | $ |
| Mistral: Ministral 8B Unavailable | Oct 16, 2024 | 8B | 131K |
Text input
Text output
|
★★★★ | ★★★ | $$ |
| Mistral: Pixtral 12B Unavailable | Sep 09, 2024 | 12B | 32K |
Image input
Text input
Text output
|
★★★★★ | ★ | $$ |
| Mistral: Mistral Nemo | Jul 18, 2024 | ~12B | 131K |
Text input
Text output
|
★★★★ | ★ | $ |
| Mistral: Mistral 7B Instruct Unavailable | May 26, 2024 | 7B | 32K |
Text input
Text output
|
★★★★★ | ★★ | $ |
| Mistral: Mistral 7B Instruct v0.3 Unavailable | May 26, 2024 | 7B | 32K |
Text input
Text output
|
★★★★★ | ★★ | $ |
| Mistral: Mixtral 8x22B Instruct | Apr 16, 2024 | 22B | 65K |
Text input
Text output
|
★★★★★ | ★★★ | $$$ |
| Mistral Large | Feb 25, 2024 | ~32B | 128K |
Text input
Text output
|
★★★★ | ★★★★ | $$$$ |
| Mistral Medium Unavailable | Jan 09, 2024 | — | 32K |
Text input
Text output
|
— | — | $$$$$ |
| Mistral Tiny Unavailable | Jan 09, 2024 | ~7B | 32K |
Text input
Text output
|
★★★★ | ★ | $$ |
| Mistral Small Unavailable | Jan 09, 2024 | ~22B | 32K |
Text input
Text output
|
★★★★★ | ★★ | $$ |
| Mistral: Mistral 7B Instruct v0.2 Unavailable | Dec 27, 2023 | 7B | 32K |
Text input
Text output
|
★★★★★ | ★★ | $$$ |
| Mistral: Mixtral 8x7B Instruct | Dec 09, 2023 | 56B | 32K |
Text input
Text output
|
★★★★★ | ★★ | $$ |
| Mistral: Mistral 7B Instruct v0.1 | Sep 27, 2023 | 7B | 2K |
Text input
Text output
|
★★★★ | ★ | $$ |