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- Claude Haiku 5.5 vs. GPT-5.6 Sol
AnthropicOpenAILLM matchup
Claude Haiku 5.5vs.GPT-5.6 Sol
Which one is better?
Claude Haiku 5.5 and GPT-5.6 Sol perform about equally well, but GPT-5.6 Sol costs 40 times as much.
Claude Haiku 5.5
Rank 20
GPT-5.6 Sol
Rank 14
Claude Haiku 5.5
GPT-5.6 Sol
Claude Haiku 5.5
GPT-5.6 Sol
Claude Haiku 5.5
Rank 3 of 875
GPT-5.6 Sol
Rank 55 of 875
Above 100,000 tokens of context, Claude Haiku 5.5 costs more: $0.50 input and $2.50 output per 1M tokens. Above 272,000 tokens of context, GPT-5.6 Sol costs more: $8 input and $30 output per 1M tokens.
Choose Claude Haiku 5.5 for
Choose GPT-5.6 Sol for
On this page
Where is the difference?
Strengths at a glance
Haiku 5.5GPT-5.6 Sol
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, GPT-5.6 Sol 106.7 to 116.0.
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, Multimodal.
GPT-5.6 Sol is ahead in 3 of 10 areas, Haiku 5.5 in 1.
Haiku 5.5 ahead: 1level: 2too little data: 2GPT-5.6 Sol slightly ahead: 2GPT-5.6 Sol ahead: 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 4 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
The same prompt for both models. We show the latest attempt without fixes; it does not count toward the overall index.
Claude Haiku 5.5
Not tested yet
GPT-5.6 Sol

Oct 1, 2026 · 59 s · $0.05
Test details
- Run date
- Oct 1, 2026
- API provider
- openrouter
- Requested API model
- openai/gpt-5.6-sol
- Reasoning setting
- high
- Token limit including reasoning
- 8,192 tokens
- Output tokens
- 4,633 tokens
- Cost of the attempt
- $0.0464
- Response time
- 58.7 s
- API model reported in response
- openai/gpt-5.6-sol
- Pinned endpoint
- OpenAI | openai/gpt-5.6-sol-20260709
- 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 Haiku 5.5
Unavailable in this round
GPT-5.6 Sol
Unavailable in this round
Claude Haiku 5.5 and GPT-5.6 Sol 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 GPT-5.6 Sol: 77 to 56 out of 100.
Over time
Weekly values from October 18, 2026 to November 5, 2026
Claude Haiku 5.5GPT-5.6 Sol
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 | GPT-5.6 Sol |
|---|---|---|
| Intelligence | ||
| Overall indexpoints, 100 = reference group average, higher is better | 103.4 | 108.7 |
| Rank | Rank 20 of 91 | Rank 14 of 91 |
| Price per 1M tokens | ||
| Inputwhat you send | $0.10above 100,000 tokens: $0.50 | $4above 272,000 tokens: $8 |
| Outputwhat the model writes | $0.50above 100,000 tokens: $2.50 | $20above 272,000 tokens: $30 |
| Speed | ||
| Tokens per second | 236 | 101 |
| Popularity | ||
| Popularitysearch, usage and mentions, 0 to 100 | 77Rank 3 of 875 | 56Rank 55 of 875 |
| Technical | ||
| Context windowhow much text the model reads at once | 1 M tokens≈ 1,500 A4 pages | 1.05 M tokens≈ 1,580 A4 pages |
| Knowledge cutoff | June 2026 | Feb 16, 2026 |
| Released | Oct 7, 2026 | Jul 9, 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 121.3, rank 6. $10 input and $50 output per 1M tokens.
Haiku 5.5 vs. GPT-6 AstraOverall index 126.1, rank 1. $4 input and $20 output per 1M tokens.
GPT-5.6 Sol 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: GPT-5.6 Sol
Show 54 more benchmarks
More comparisons
Compare Claude Haiku 5.5 and GPT-5.6 Sol 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
- 2GPT-6.1 Sol vs. GPT-5.6 Sol
- 3Claude Sonnet 5.5 vs. Claude Haiku 5.5
- 4Claude Haiku 5.5 vs. DeepSeek V4.1 Flash 1017
- 5Claude Haiku 5.5 vs. DeepSeek-V4-Flash
- 6GPT-6 Sol vs. GPT-5.6 Sol
- 7Claude Haiku 5.5 vs. DeepSeek-V4.1-Flash
- 8Claude Opus 5.5 vs. Claude Haiku 5.5
- 9GPT-5.6 Sol vs. Gemini 3.8 Flash
Show all 47 comparisons
- 10Claude Haiku 5.5 vs. GLM-5.3
- 11Claude Haiku 5.5 vs. Gemini 3.5 Flash-Lite
- 12Claude Haiku 5.5 vs. Gemini 3.8 Flash
- 13Claude Haiku 5.5 vs. Claude Sonnet 4.5
- 14GPT-5.6 Sol vs. GLM-5.3-Flash
- 15Claude Haiku 5.5 vs. Claude Sonnet 5
- 16Claude Haiku 5.5 vs. Claude Opus 5
- 17Claude Haiku 5.5 vs. GPT-6 Astra
- 18Claude Haiku 5.5 vs. Gemini 3.5 Flash
- 19Claude Haiku 5.5 vs. Claude Opus 4.8
- 20Claude Haiku 5.5 vs. Gemini 4 Argon
- 21Claude Haiku 5.5 vs. Grok 4.7
- 22Claude Haiku 5.5 vs. GPT-5.6 Luna
- 23Claude Haiku 5.5 vs. Qwen 3.8 Max 0902
- 24Claude Sonnet 5.5 vs. GPT-5.6 Sol
- 25Claude Haiku 5.5 vs. Muse Spark 1.3
- 26GPT-6 Luna vs. GPT-5.6 Sol
- 27Claude Haiku 5.5 vs. Claude Sonnet 4.6
- 28Claude Haiku 5.5 vs. Gemini 3.7 Flash
- 29Claude Haiku 5.5 vs. Mistral Large 4
- 30GPT-5.6 Sol vs. Gemini 4 Argon
- 31GPT-5.6 Sol vs. DeepSeek-V4-Pro
- 32Claude Fable 5.1 vs. GPT-5.6 Sol
- 33Claude Haiku 5.5 vs. GPT-6.1 Sol
- 34Claude Opus 5.5 vs. GPT-5.6 Sol
- 35GPT-5.6 Sol vs. Muse Spark 1.3
- 36GPT-5.6 Sol vs. DeepSeek-V4.1-Flash
- 37Claude Haiku 5.5 vs. Gemini 3.1 Pro Preview
- 38Claude Haiku 5.5 vs. GLM-5.3-Flash
- 39Claude Haiku 5.5 vs. DeepSeek-V4-Pro
- 40Claude Haiku 5.5 vs. Gemini 3.6 Flash
- 41Claude Haiku 5.5 vs. Claude Opus 4.6
- 42Claude Haiku 5.5 vs. Kimi K2.6
- 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 Haiku 5.5 vs. GPT-6.1 Terra
- 47GPT-5.6 Sol vs. Muse Wonder Full