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- Claude Haiku 5.5 vs. Claude Sonnet 4.6
AnthropicLLM matchup
Claude Haiku 5.5vs.Claude Sonnet 4.6
Is the higher price worth it?
Claude Haiku 5.5 performs better than Claude Sonnet 4.6 and is cheaper: Claude Sonnet 4.6 costs 30 times as much.
Claude Haiku 5.5
Rank 20
Claude Sonnet 4.6
Rank 44
Claude Haiku 5.5
Claude Sonnet 4.6
Claude Haiku 5.5
Claude Sonnet 4.6
Claude Haiku 5.5
Rank 3 of 875
Claude Sonnet 4.6
Rank 69 of 875
Above 100,000 tokens of context, Claude Haiku 5.5 costs more: $0.50 input and $2.50 output per 1M tokens.
Choose Claude Haiku 5.5 for
Choose Claude Sonnet 4.6 for
No clear advantage
On this page
Where is the difference?
Strengths at a glance
Haiku 5.5Sonnet 4.6
The median of all ranked models is below 100 in every area, so it sits in the centre of the net.
95 % range: Haiku 5.5 102.5 to 109.9, Sonnet 4.6 80.2 to 93.7.
The same values and verdicts as the bars below. In the top field the net starts at 100 points, the reference group average; values below sit as a hollow point in the centre. Not in the net because a model has no own value there or the data are too thin: Mathematics, Knowledge, Multimodal.
Haiku 5.5 is ahead in 6 of 10 areas, Sonnet 4.6 in none.
Haiku 5.5 ahead: 6Haiku 5.5 slightly ahead: 1too little data: 3
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.
Which model for which task?
Everyday tasks, translated from the area values above. Each row names the values it rests on.
See for yourself: same task, one attempt
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 Haiku 5.5
Unavailable in this round
Claude Sonnet 4.6

Oct 14, 2026 · $0.0113
Test details
- Test run
- Oct 14, 2026
- Provider
- anthropic
- API model
- anthropic/claude-sonnet-4.6
- Output
- 738 tokens
- Reasoning
- API reports 0 reasoning tokens
- Cost of the attempt
- $0.0113
- Test round
- 43b8c5c46830
Earlier tests
Claude Haiku 5.5
Not tested yet
Claude Sonnet 4.6
The response reached the token limit. No complete recording is available.
Oct 6, 2026 · 106 s · $0.12
Not yet visually reviewed. A successful recording does not confirm correct physics or full compliance with the prompt.
Test details
- Run date
- Oct 6, 2026
- API provider
- openrouter
- Requested API model
- anthropic/claude-sonnet-4.6
- Reasoning setting
- high
- Token limit including reasoning
- 8,192 tokens
- Output tokens
- 8,192 tokens
- Cost of the attempt
- $0.1229
- Response time
- 106 s
- API model reported in response
- anthropic/claude-sonnet-4.6
- Pinned endpoint
- Anthropic | anthropic/claude-4.6-sonnet-20260217
- Temperature
- Provider default
- Test protocol
- community-visual-tests-v1
- Technical checks
- Failed
Earlier attempts (2)
- Oct 2, 2026API request failedReasoning setting: high
- Oct 1, 2026API request failedReasoning setting: high
Claude Haiku 5.5 and Claude Sonnet 4.6 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 v4)
20 of 91 models
4 models in this view are measured at a lower reasoning effort than max in the overall index. Dashed column: lower reasoning effort than the top.
Popularity compared
How often the models are searched for, used and mentioned, on a scale from 0 to 100.
Claude Haiku 5.5 is more popular than Claude Sonnet 4.6: 77 to 54 out of 100.
Over time
Weekly values from October 18, 2026 to November 5, 2026
Claude Haiku 5.5Claude Sonnet 4.6
All data side by side
The better value is bold. For the overall index only when the gap is clear.
| Metric | Claude Haiku 5.5 | Claude Sonnet 4.6 |
|---|---|---|
| Intelligence | ||
| Overall indexpoints, 100 = reference group average, higher is better | 103.4 | 86.4 |
| Rank | Rank 20 of 91 | Rank 44 of 91 |
| Price per 1M tokens | ||
| Inputwhat you send | $0.10above 100,000 tokens: $0.50 | $3 |
| Outputwhat the model writes | $0.50above 100,000 tokens: $2.50 | $15 |
| Speed | ||
| Tokens per second | 236 | 60 |
| Popularity | ||
| Popularitysearch, usage and mentions, 0 to 100 | 77Rank 3 of 875 | 54Rank 69 of 875 |
| Technical | ||
| Context windowhow much text the model reads at once | 1 M tokens≈ 1,500 A4 pages | 1 M tokens≈ 1,500 A4 pages |
| Knowledge cutoff | June 2026 | August 2025 |
| Released | Oct 7, 2026 | February 2026 |
| Availability | Active | Active |
| Open weights | no | no |
Prices without caching or batch discounts · Page count as a rule of thumb from Artificial Analysis
Is there a better choice?
Overall index 92.1, rank 40. $2 input and $10 output per 1M tokens.
Haiku 5.5 vs. Claude Sonnet 5Overall index 98.3, rank 31. $0.14 input and $0.28 output per 1M tokens.
View profileOverall index 126.1, rank 1. $4 input and $20 output per 1M tokens.
Haiku 5.5 vs. Claude Opus 5.5Shared 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 Haiku 5.5B: Claude Sonnet 4.6
Show 54 more benchmarks
More comparisons
Compare Claude Haiku 5.5 and Claude Sonnet 4.6 with the models people compare them with most often.
Compare another matchup
Predecessor and successor
The most popular comparisons
- 1Claude Haiku 5.5 vs. GPT-6 Luna
- 2Claude Sonnet 5.5 vs. Claude Haiku 5.5
- 3Claude Haiku 5.5 vs. DeepSeek V4.1 Flash 1017
- 4Claude Haiku 5.5 vs. DeepSeek-V4-Flash
- 5Claude Haiku 5.5 vs. DeepSeek-V4.1-Flash
- 6Claude Sonnet 4.6 vs. Gemini 3.8 Flash
- 7Claude Opus 5.5 vs. Claude Haiku 5.5
- 8Claude Haiku 5.5 vs. GLM-5.3
- 9Claude Opus 5.5 vs. Claude Sonnet 4.6
Show all 51 comparisons
- 10Claude Haiku 5.5 vs. Gemini 3.5 Flash-Lite
- 11Claude Haiku 5.5 vs. Gemini 3.8 Flash
- 12Claude Haiku 5.5 vs. Claude Sonnet 4.5
- 13Claude Sonnet 4.6 vs. GLM-5.3-Flash
- 14Claude Sonnet 4.6 vs. GPT-6 Luna
- 15Claude Haiku 5.5 vs. Claude Sonnet 5
- 16Claude Sonnet 4.6 vs. DeepSeek-V4.1-Flash
- 17Claude Sonnet 5.5 vs. Claude Sonnet 4.6
- 18Claude Haiku 5.5 vs. Claude Opus 5
- 19Claude Haiku 5.5 vs. GPT-6 Astra
- 20Claude Haiku 5.5 vs. Gemini 3.5 Flash
- 21Claude Haiku 5.5 vs. Claude Opus 4.8
- 22Claude Haiku 5.5 vs. Gemini 4 Argon
- 23Claude Haiku 5.5 vs. Grok 4.7
- 24Claude Haiku 5.5 vs. GPT-5.6 Luna
- 25Claude Haiku 5.5 vs. Qwen 3.8 Max 0902
- 26Claude Haiku 5.5 vs. Muse Spark 1.3
- 27Claude Haiku 5.5 vs. Gemini 3.7 Flash
- 28Claude Haiku 5.5 vs. Mistral Large 4
- 29Claude Sonnet 4.6 vs. GPT-6 Sol
- 30Claude Haiku 5.5 vs. GPT-6.1 Sol
- 31Claude Sonnet 4.6 vs. Grok 4.7
- 32Claude Haiku 5.5 vs. Gemini 3.1 Pro Preview
- 33Claude Haiku 5.5 vs. GLM-5.3-Flash
- 34Claude Sonnet 4.6 vs. GPT-6 Astra
- 35Claude Haiku 5.5 vs. DeepSeek-V4-Pro
- 36Claude Haiku 5.5 vs. GPT-5.6 Sol
- 37Claude Haiku 5.5 vs. Gemini 3.6 Flash
- 38Claude Sonnet 4.6 vs. GPT-6.1 Sol
- 39Claude Sonnet 4.6 vs. GPT-5.6 Terra
- 40Claude Haiku 5.5 vs. Claude Opus 4.6
- 41Claude Haiku 5.5 vs. Kimi K2.6
- 42Claude Sonnet 4.6 vs. DeepSeek-V4-Flash
- 43Claude Haiku 5.5 vs. Claude Opus 4.7
- 44Claude Haiku 5.5 vs. Mistral Large 3
- 45Claude Haiku 5.5 vs. GPT-5.5
- 46Claude Opus 4.6 vs. Claude Sonnet 4.6
- 47Claude Sonnet 4.6 vs. Claude Haiku 4.5
- 48Claude Opus 4.7 vs. Claude Sonnet 4.6
- 49Claude Opus 4.5 vs. Claude Sonnet 4.6
- 50Claude Sonnet 4.6 vs. Muse Wonder Full
- 51Claude Haiku 5.5 vs. GPT-6.1 Terra