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 91st percentile across eight benchmarks. While its pricing is moderate, falling into the 30th percentile, its exceptional reliability stands out with a perfect 100% success rate, indicating minimal technical failures. The model exhibits remarkable accuracy in specific areas. It achieves perfect 100% accuracy in Hallucinations (Baseline), effectively acknowledging uncertainty, and is noted as the most accurate model at its price point and speed for this task. It also performs very well in General Knowledge (99.5% accuracy) and Ethics (99.0% accuracy), with its General Knowledge performance being the most accurate among models of similar speed. Coding and Mathematics are also strong suits, with 92.0% and 94.0% accuracy respectively. Instruction Following (71.0% accuracy) and Reasoning (80.0% accuracy) show solid, though not top-tier, performance. Email Classification is competent at 98.0% accuracy. Its primary strength lies in its ability to handle complex tasks reliably and quickly, making it well-suited for agentic workflows and coding.
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 Unavailable | 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
|
★★★★★ | ★★ | $$ |
| Mistral: Mistral 7B Instruct v0.1 | Sep 27, 2023 | 7B | 2K |
Text input
Text output
|
★★★★ | ★ | $$ |