AI model comparison
Mistral Medium 3.5 vs Claude Haiku 4.5
Pricing, context window, benchmarks, and features compared side by side. Or skip the guesswork and send one prompt to both.
Mistral
Mistral Medium 3.5
Mistral Medium 3.5 is a dense 128B instruction-following model from Mistral AI.
- Input / 1M
- $1.50
- Output / 1M
- $7.50
- Context
- 262K
Anthropic
Claude Haiku 4.5
Claude Haiku 4.5 is Anthropic’s fastest and most efficient model, delivering near-frontier intelligence at a fraction of the cost and latency of larger Claude models.
- Input / 1M
- $1
- Output / 1M
- $5
- Context
- 200K
At a glance
Quick verdict
How the two models stack up on the things people ask about most.
Lower price
Claude Haiku 4.5
1.5x cheaper for a typical chat
Higher intelligence score
Claude Haiku 4.5
16.9 vs 14.2 on Artificial Analysis
Larger context window
Mistral Medium 3.5
262K vs 200K tokens
Newer release
Mistral Medium 3.5
Released April 30, 2026
Benchmarks
Benchmark scores
Independent scores from Artificial Analysis. Higher is better.
Intelligence index
Mistral Medium 3.514.2Claude Haiku 4.516.9Coding index
Mistral Medium 3.546.9Claude Haiku 4.543.9Agentic index
Mistral Medium 3.57Claude Haiku 4.58Pricing
Mistral Medium 3.5 vs Claude Haiku 4.5 API pricing
Per-token API rates. Cheaper option highlighted.
| Metric | Mistral Medium 3.5 | Claude Haiku 4.5 |
|---|---|---|
| Input tokensPer 1M tokens | $1.50 | $1 |
| Output tokensPer 1M tokens | $7.50 | $5 |
| Cached input (read)Per 1M tokens | Not available | $0.10 |
| Cache writePer 1M tokens | Not available | $1.25 |
| Web searchPer request | Not available | $0.01 |
What it costs in practice
Estimated cost per 1,000 requests at standard rates. Coding and long-document figures also show the cost when the input is already cached.
Chat message
2K in, 500 out
Mistral Medium 3.5$6.75Claude Haiku 4.5$4.50Coding task
30K in, 4K out
Mistral Medium 3.5$75Claude Haiku 4.5$50$23 cachedLong document summary
150K in, 2K out
Mistral Medium 3.5$240Claude Haiku 4.5$160$25 cachedSpecs
Context window and capabilities
How much each model can read, how much it can write, and what it accepts as input.
| Metric | Mistral Medium 3.5 | Claude Haiku 4.5 |
|---|---|---|
| Context window | 262K tokens | 200K tokens |
| Max output | 210K tokens | 64K tokens |
| Input types | File, Image, Text | File, Image, Text |
| Output types | Text | Text |
| Reasoning effort levels | High, None | Not available |
| Default reasoning effort | High | Not available |
| Release date | April 30, 2026 | October 15, 2025 |
Features
Supported features
API features available for each model.
| Metric | Mistral Medium 3.5 | Claude Haiku 4.5 |
|---|---|---|
| Tool calling | Supported | Supported |
| Structured outputs | Supported | Supported |
| JSON mode | Supported | Supported |
| Reasoning | Supported | Supported |
| Temperature | Supported | Supported |
| Stop sequences | Supported | Supported |
| Deterministic seed | Supported | Not supported |
| Verbosity control | Not supported | Not supported |
Keep exploring
More on these models
Other head-to-heads, the full model page, and the alternatives list for each model.
Mistral Medium 3.5View full model details- Mistral Medium 3.5 vs Gemini 3.1 Flash Lite
- Mistral Medium 3.5 vs Gemini 2.5 Flash
- Mistral Medium 3.5 vs o4 Mini
- Mistral Medium 3.5 vs Gemini 2.5 Pro
- Mistral Medium 3.5 vs o1
- Mistral Medium 3.5 vs Command A
- Mistral Medium 3.5 vs GPT-4.1
- Mistral Medium 3.5 vs Qwen3 235B A22B Thinking 2507
- Mistral Medium 3.5 vs o3 Mini
- Mistral Medium 3.5 vs Sonar Reasoning Pro
Claude Haiku 4.5View full model details- Claude Haiku 4.5 vs Gemini 3.1 Flash Lite
- Claude Haiku 4.5 vs Gemini 2.5 Flash
- Claude Haiku 4.5 vs Claude Sonnet 4.5
- Claude Haiku 4.5 vs Gemini 2.5 Pro
- Claude Haiku 4.5 vs GLM 4.6
- Claude Haiku 4.5 vs o3
- Claude Haiku 4.5 vs Claude Sonnet 4
- Claude Haiku 4.5 vs Qwen3.5-122B-A10B
- Claude Haiku 4.5 vs o4 Mini
- Claude Haiku 4.5 vs Kimi K2 0905
- Claude Haiku 4.5 vs o1
- Claude Haiku 4.5 vs Command A
- Claude Haiku 4.5 vs o3 Mini
- Claude Haiku 4.5 vs Sonar Reasoning Pro
Our take
Claude Haiku 4.5 is 1.5x cheaper for a typical chat. Claude Haiku 4.5 scores higher on the Artificial Analysis Intelligence Index (16.9 vs 14.2). Mistral Medium 3.5 has the larger context window (262K vs 200K tokens). The right pick depends on your workload, so the quickest way to settle it is to send the same prompt to both and compare.
FAQ
Frequently asked questions
Is Mistral Medium 3.5 or Claude Haiku 4.5 cheaper?
Claude Haiku 4.5 is cheaper for a typical chat (2K input tokens and 500 output tokens). Claude Haiku 4.5 costs $1 per 1M input tokens and $5 per 1M output tokens, while Mistral Medium 3.5 costs $1.50 per 1M input tokens and $7.50 per 1M output tokens.
Which has a bigger context window, Mistral Medium 3.5 or Claude Haiku 4.5?
Mistral Medium 3.5 supports up to 262K tokens of context, compared with 200K for Claude Haiku 4.5.
Is Mistral Medium 3.5 smarter than Claude Haiku 4.5?
On the Artificial Analysis Intelligence Index, Mistral Medium 3.5 scores 14.2 and Claude Haiku 4.5 scores 16.9, putting Claude Haiku 4.5 ahead. Benchmarks don't capture everything, so the best test is running your own prompts through both.
Can I use Mistral Medium 3.5 and Claude Haiku 4.5 at the same time?
Yes. Shortcut Chat sends one prompt to multiple models at once, so you can see Mistral Medium 3.5 and Claude Haiku 4.5 answer side by side and keep the better response.
Why choose? Ask both.
Send one prompt to Mistral Medium 3.5 and Claude Haiku 4.5 at the same time. Compare the answers side by side and keep the best one.