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AnthropicMistral AILLM matchup
Claude Sonnet 5.5vs.Mistral Medium 3.5
Which one is better?
Claude Sonnet 5.5 performs better than Mistral Medium 3.5, but costs 1.3 times as much.
Claude Sonnet 5.5
Rank 5
Mistral Medium 3.5
Rank 89
Claude Sonnet 5.5
Mistral Medium 3.5
Claude Sonnet 5.5
Mistral Medium 3.5
Claude Sonnet 5.5
Rank 21 of 478
Mistral Medium 3.5
Rank 125 of 478
Choose Claude Sonnet 5.5 for
No clear advantage for Mistral Medium 3.5.
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Where is the difference?
Strengths at a glance
Sonnet 5.5Mistral Medium 3.5Median of all ranked models
95 % range: Sonnet 5.5 119.5 to 130.9, Mistral Medium 3.5 43.3 to 56.8.
The same values and verdicts as the bars below. In the close-up the net starts at 20 points, just below the weaker model's lowest value; the reference group average is 100.
Sonnet 5.5 is ahead in 10 of 10 areas, Mistral Medium 3.5 in none.
Sonnet 5.5 ahead: 10
Bar length shows the gap in index points (full width 15 points, one standard deviation of the reference group). Solid means clearly ahead, hatched not certain yet, a thin grey bar level.
Show 3 more areas that do not count toward the overall index
Bar length shows the gap in index points (full width 15 points, one standard deviation of the reference group). Solid means clearly ahead, hatched not certain yet, a thin grey bar level.
Claude Sonnet 5.5 vs. Mistral Medium 3.5 at the same effort
Both models measured at the same reasoning efforts. This shows whether a lead comes from the model or only from more compute.
The gap compares only the Artificial Analysis test series in which both models are measured at that effort. Tied below 3 points, ahead only beyond two standard errors.
Which model for which task?
Everyday tasks, translated from the area values above. Each row names the values it rests on.
Claude Sonnet 5.5 vs. Mistral Medium 3.5 in our own test
The same prompt for both models. We show the latest attempt without fixes; it does not count toward the overall index.
Claude Sonnet 5.5

Oct 1, 2026 · 28 s · $0.04
Test details
- Run date
- Oct 1, 2026
- API provider
- openrouter
- Requested API model
- anthropic/claude-sonnet-5.5
- Reasoning setting
- high
- Token limit including reasoning
- 8,192 tokens
- Output tokens
- 3,886 tokens
- Cost of the attempt
- $0.0389
- Response time
- 28.2 s
- API model reported in response
- anthropic/claude-sonnet-5.5
- Pinned endpoint
- Anthropic | anthropic/claude-sonnet-5.5-20260928
- Temperature
- Provider default
- Test protocol
- community-visual-tests-v1
- Technical checks
- Passed, not a quality rating
Visually reviewed. This individual test does not establish overall model quality.
Mistral Medium 3.5

Oct 1, 2026 · 39 s · $0.06
Test details
- Run date
- Oct 1, 2026
- API provider
- openrouter
- Requested API model
- mistralai/mistral-medium-3-5
- Reasoning setting
- high
- Token limit including reasoning
- 8,192 tokens
- Output tokens
- 8,128 tokens
- Cost of the attempt
- $0.0610
- Response time
- 38.7 s
- API model reported in response
- mistralai/mistral-medium-3-5
- Pinned endpoint
- Mistral | mistralai/mistral-medium-3.5-20260430
- Temperature
- Provider default
- Test protocol
- community-visual-tests-v1
- Technical checks
- Passed, not a quality rating
Visually reviewed. This individual test does not establish overall model quality.
Earlier attempts (1)
- Sep 7, 2026API request failedReasoning setting: high
SVG short test
SVG short test
One SVG task with the same fixed settings for every model, without hidden thinking.
Prompt
Return only one standalone SVG of a pelican riding a bicycle. Use viewBox="0 0 800 600", simple shapes, two clearly visible wheels and a recognizable pelican with a long beak. At most 30 SVG elements and 1800 characters. No Markdown, explanations, comments, scripts, animation, CSS or external resources.
Claude Sonnet 5.5
Unavailable in this round
Mistral Medium 3.5

Oct 14, 2026 · $0.0039
Test details
- Test run
- Oct 14, 2026
- Provider
- mistral
- API model
- mistralai/mistral-medium-3-5
- Output
- 502 tokens
- Reasoning
- API reports 0 reasoning tokens
- Cost of the attempt
- $0.0039
- Test round
- 43b8c5c46830
Claude Sonnet 5.5 and Mistral Medium 3.5 in the overall index
Every model with a place in the overall index, both models of this matchup highlighted. You can add or hide other models.
Overall index (Gradually Meta-Score v5)
20 of 95 models
Popularity compared
How often the models are searched for, used and mentioned, on a scale from 0 to 100.
Claude Sonnet 5.5 is more popular than Mistral Medium 3.5: 79 to 51 out of 100.
Over time
Weekly values from October 18, 2026 to November 13, 2026
Claude Sonnet 5.5Mistral Medium 3.5
All data side by side
The better value is bold. For the overall index only when the gap is clear.
| Metric | Claude Sonnet 5.5 | Mistral Medium 3.5 |
|---|---|---|
| Intelligence | ||
| Overall indexpoints, 100 = reference group average, higher is better | 121.9 | 46.1 |
| Rank | Rank 5 of 95 | Rank 89 of 95 |
| Price per 1M tokens | ||
| Inputwhat you send | $2 | $1.50 |
| Outputwhat the model writes | $10 | $7.50 |
| Cost per task (own tests)average of 3 original-protocol tasks both models passed (SVG short test not included) | $0.038 | $0.087 |
| Speed | ||
| Tokens per second | 103 | 118 |
| Popularity | ||
| Popularitysearch, usage and mentions, 0 to 100 | 79Rank 21 of 478 | 51Rank 125 of 478 |
| Technical | ||
| Context windowhow much text the model reads at once | 1 M tokens≈ 1,500 A4 pages | 262,144 tokens≈ 390 A4 pages |
| Knowledge cutoff | June 2026 | n/a |
| Released | Sep 28, 2026 | Apr 28, 2026 |
| Availability | Active | Active |
| Open weights | no | yes |
Prices without caching or batch discounts · Page count as a rule of thumb from Artificial Analysis
Is there a better choice?
Overall index 110.5, rank 14$0.10 input and $0.50 output per 1M tokens
View profileOverall index 130.9, rank 1$8 input and $40 output per 1M tokens
Sonnet 5.5 vs. Claude Fable 5.2Shared benchmarks
Single results from the same benchmark version, task and metric. A value is bold only with the same test setup and a clear gap.
A: Claude Sonnet 5.5B: Mistral Medium 3.5
Show 54 more benchmarks
More comparisons
Compare Claude Sonnet 5.5 and Mistral Medium 3.5 with the models people compare them with most often.
Compare another matchup
Predecessor and successor
The most popular comparisons
- 1Claude Sonnet 5.5 vs. Gemini 3.8 Flash
- 2Claude Sonnet 5.5 vs. DeepSeek-V4.1-Flash
- 3Claude Opus 5.5 vs. Claude Sonnet 5.5
- 4Claude Sonnet 5.5 vs. GLM-5.3
- 5Claude Sonnet 5.5 vs. Claude Haiku 5.5
- 6Claude Sonnet 5.5 vs. Claude Opus 5
- 7Claude Sonnet 5.5 vs. Grok 4.7
- 8Claude Sonnet 5.5 vs. GPT-5.6 Terra
- 9Claude Sonnet 5.5 vs. Claude Fable 5.1
Show all 55 comparisons
- 10Claude Sonnet 5.5 vs. Gemini 3.1 Pro Preview
- 11Claude Sonnet 5.5 vs. DeepSeek V4.1 Flash 1017
- 12Claude Sonnet 5.5 vs. GPT-6 Luna
- 13Claude Sonnet 5.5 vs. Kimi K3
- 14Claude Sonnet 5.5 vs. Qwen 3.8 27B
- 15Claude Sonnet 5.5 vs. Claude Opus 4.6
- 16Claude Sonnet 5.5 vs. DeepSeek-V4-Pro
- 17Claude Sonnet 5.5 vs. GPT-5.6 Luna
- 18Claude Sonnet 5.5 vs. GLM-5.2
- 19Claude Sonnet 5.5 vs. DeepSeek-V4-Flash
- 20Claude Sonnet 5.5 vs. GPT-6 Sol
- 21Claude Sonnet 5.5 vs. Gemini 3.5 Flash-Lite
- 22Claude Sonnet 5.5 vs. Claude Fable 5
- 23Claude Sonnet 5.5 vs. Qwen 3.8 Max 0902
- 24Claude Sonnet 5.5 vs. Gemini 3.6 Flash
- 25Claude Sonnet 5.5 vs. Claude Sonnet 4.6
- 26Claude Sonnet 5.5 vs. GPT-5.6 Sol
- 27Claude Sonnet 5.5 vs. GLM-5.3-Flash
- 28Claude Sonnet 5.5 vs. Muse Spark 1.3
- 29Claude Sonnet 5.5 vs. Claude Opus 4.7
- 30Claude Sonnet 5.5 vs. GPT-6 Astra
- 31Claude Sonnet 5.5 vs. Claude Opus 4.8
- 32DeepSeek-V4.1-Flash vs. Mistral Medium 3.5
- 33Claude Opus 5.5 vs. Mistral Medium 3.5
- 34Claude Sonnet 5.5 vs. Kimi K2.6
- 35Claude Sonnet 5.5 vs. Grok 4.6
- 36Claude Sonnet 5.5 vs. GPT-6.1 Sol
- 37GLM-5.2 vs. Mistral Medium 3.5
- 38Qwen 3.8 27B vs. Mistral Medium 3.5
- 39Claude Sonnet 4.5 vs. Mistral Medium 3.5
- 40Claude Sonnet 5.5 vs. Claude Sonnet 4.5
- 41Claude Sonnet 5.5 vs. Gemini 3.7 Flash
- 42Claude Sonnet 5.5 vs. Claude Haiku 4.5
- 43GPT-6 Luna vs. Mistral Medium 3.5
- 44Claude Sonnet 5.5 vs. Mistral Large 4
- 45DeepSeek V4.1 Flash 1017 vs. Mistral Medium 3.5
- 46Claude Sonnet 5.5 vs. GPT-5.4
- 47Claude Sonnet 5.5 vs. Gemini 3.5 Flash
- 48Claude Sonnet 5.5 vs. GPT-5.5
- 49Mistral Large 4 vs. Mistral Medium 3.5
- 50Claude Sonnet 5.5 vs. Claude Opus 4.5
- 51Claude Sonnet 5.5 vs. Kimi K3.1 Pro
- 52Claude Sonnet 5.5 vs. GPT-6.1 Terra
- 53Claude Sonnet 5.5 vs. Muse Wonder Full
- 54Claude Sonnet 5.5 vs. Gemini 4 Argon
- 55Claude Sonnet 5.5 vs. Gemini 4 Carbon