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AnthropicOpenAILLM matchup
Claude Sonnet 5.5vs.GPT-6 Sol
Which one is better?
Claude Sonnet 5.5 performs better than GPT-6 Sol at the same price.
Claude Sonnet 5.5
Rank 5
GPT-6 Sol
Rank 16
Claude Sonnet 5.5
GPT-6 Sol
Claude Sonnet 5.5
GPT-6 Sol
Claude Sonnet 5.5
Rank 21 of 478
GPT-6 Sol
Above 272,000 tokens of context, GPT-6 Sol costs more: $4 input and $15 output per 1M tokens.
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Where is the difference?
Strengths at a glance
Sonnet 5.5GPT-6 SolMedian of all ranked models
95 % range: Sonnet 5.5 119.5 to 130.9, GPT-6 Sol 112.3 to 118.1.
The same values and verdicts as the bars below. In the close-up the net starts at 90 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, GPT-6 Sol 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 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.
Claude Sonnet 5.5 vs. GPT-6 Sol 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. GPT-6 Sol 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.
GPT-6 Sol

Oct 1, 2026 · 80 s · $0.04
Test details
- Run date
- Oct 1, 2026
- API provider
- openrouter
- Requested API model
- openai/gpt-6-sol
- Reasoning setting
- high
- Token limit including reasoning
- 8,192 tokens
- Output tokens
- 4,389 tokens
- Cost of the attempt
- $0.0439
- Response time
- 80.5 s
- API model reported in response
- openai/gpt-6-sol
- Pinned endpoint
- OpenAI | openai/gpt-6-sol-20260922
- 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.
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
GPT-6 Sol
Unavailable in this round
Claude Sonnet 5.5 and GPT-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 v5)
20 of 95 models
Popularity compared
How often the models are searched for, used and mentioned, on a scale from 0 to 100.
GPT-6 Sol has no popularity score yet.
Over time
Weekly values from October 18, 2026 to November 13, 2026
Claude Sonnet 5.5GPT-6 Sol
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 | GPT-6 Sol |
|---|---|---|
| Intelligence | ||
| Overall indexpoints, 100 = reference group average, higher is better | 121.9 | 108.4 |
| Rank | Rank 5 of 95 | Rank 16 of 95 |
| Price per 1M tokens | ||
| Inputwhat you send | $2 | $2above 272,000 tokens: $4 |
| Outputwhat the model writes | $10 | $10above 272,000 tokens: $15 |
| Cost per task (own tests)average of 3 original-protocol tasks both models passed (SVG short test not included) | $0.038 | $0.044 |
| Speed | ||
| Tokens per second | 103 | 82 |
| Popularity | ||
| Popularitysearch, usage and mentions, 0 to 100 | 79Rank 21 of 478 | n/a |
| 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 | Apr 20, 2026 |
| Released | Sep 28, 2026 | Sep 22, 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 117.5, rank 9$2 input and $10 output per 1M tokens
Sonnet 5.5 vs. GPT-6.1 SolOverall index 127.0, rank 2$2 input and $10 output per 1M tokens
Sonnet 5.5 vs. Gemini 4 CarbonOverall 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: GPT-6 Sol
Show 54 more benchmarks
More comparisons
Compare Claude Sonnet 5.5 and GPT-6 Sol 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
- 4GPT-6 Sol vs. DeepSeek-V4.1-Flash
- 5Claude Sonnet 5.5 vs. GLM-5.3
- 6Claude Sonnet 5.5 vs. Claude Haiku 5.5
- 7Claude Sonnet 5.5 vs. Claude Opus 5
- 8GPT-6 Sol vs. GPT-5.6 Sol
- 9GPT-6 Sol vs. Gemini 3.8 Flash
Show all 81 comparisons
- 10Claude Sonnet 5.5 vs. Grok 4.7
- 11Claude Sonnet 5.5 vs. GPT-5.6 Terra
- 12Claude Sonnet 5.5 vs. Claude Fable 5.1
- 13Claude Sonnet 5.5 vs. Gemini 3.1 Pro Preview
- 14Claude Sonnet 5.5 vs. DeepSeek V4.1 Flash 1017
- 15Claude Sonnet 5.5 vs. GPT-6 Luna
- 16Claude Sonnet 5.5 vs. Kimi K3
- 17GPT-6 Astra vs. GPT-6 Sol
- 18Claude Sonnet 5.5 vs. Qwen 3.8 27B
- 19Claude Sonnet 5.5 vs. Claude Opus 4.6
- 20GPT-6 Sol vs. GPT-5.6 Terra
- 21Claude Sonnet 5.5 vs. DeepSeek-V4-Pro
- 22Claude Sonnet 5.5 vs. GPT-5.6 Luna
- 23GPT-6 Sol vs. GLM-5.3-Flash
- 24Claude Sonnet 5.5 vs. GLM-5.2
- 25Claude Sonnet 5.5 vs. DeepSeek-V4-Flash
- 26GPT-6 Sol vs. Qwen 3.8 27B
- 27Claude Sonnet 5.5 vs. Gemini 3.5 Flash-Lite
- 28Claude Sonnet 5.5 vs. Claude Fable 5
- 29Claude Sonnet 5.5 vs. Qwen 3.8 Max 0902
- 30Claude Sonnet 5.5 vs. Gemini 3.6 Flash
- 31Claude Sonnet 5.5 vs. Claude Sonnet 4.6
- 32Claude Sonnet 5.5 vs. GPT-5.6 Sol
- 33Claude Sonnet 5.5 vs. GLM-5.3-Flash
- 34GPT-6 Sol vs. DeepSeek V4.1 Flash 1017
- 35GPT-6 Sol vs. GPT-6 Luna
- 36GPT-6 Sol vs. Gemini 3.1 Pro Preview
- 37Claude Opus 4.8 vs. GPT-6 Sol
- 38Claude Sonnet 5.5 vs. Muse Spark 1.3
- 39Claude Sonnet 5.5 vs. Claude Opus 4.7
- 40GPT-6 Sol vs. GPT-5.4
- 41GPT-6 Sol vs. GPT-5.6 Luna
- 42Claude Sonnet 5.5 vs. GPT-6 Astra
- 43Claude Sonnet 5.5 vs. Claude Opus 4.8
- 44GPT-6 Sol vs. Grok 4.7
- 45Claude Opus 5.5 vs. GPT-6 Sol
- 46Claude Sonnet 4.6 vs. GPT-6 Sol
- 47Claude Sonnet 5 vs. GPT-6 Sol
- 48GPT-6 Sol vs. Kimi K3
- 49GPT-6 Sol vs. GLM-5.3
- 50Claude Haiku 5.5 vs. GPT-6 Sol
- 51GPT-6 Sol vs. DeepSeek-V4-Pro
- 52GPT-6 Sol vs. DeepSeek-V4-Flash
- 53Claude Opus 5 vs. GPT-6 Sol
- 54Claude Sonnet 5.5 vs. Kimi K2.6
- 55Claude Sonnet 5.5 vs. Grok 4.6
- 56GPT-6 Sol vs. Qwen 3.8 Max 0902
- 57Claude Sonnet 5.5 vs. GPT-6.1 Sol
- 58Claude Fable 5.1 vs. GPT-6 Sol
- 59Claude Sonnet 5.5 vs. Claude Sonnet 4.5
- 60Claude Sonnet 5.5 vs. Gemini 3.7 Flash
- 61Claude Sonnet 5.5 vs. Claude Haiku 4.5
- 62Claude Sonnet 5.5 vs. Mistral Large 4
- 63Claude Sonnet 5.5 vs. Mistral Medium 3.5
- 64Claude Sonnet 5.5 vs. GPT-5.4
- 65Claude Sonnet 5.5 vs. Gemini 3.5 Flash
- 66GPT-6 Sol vs. Gemini 3.6 Flash
- 67Claude Opus 4.6 vs. GPT-6 Sol
- 68GPT-6 Sol vs. Mistral Large 4
- 69Claude Sonnet 5.5 vs. GPT-5.5
- 70GPT-6 Sol vs. Gemini 3.5 Flash
- 71Claude Sonnet 5.5 vs. Claude Opus 4.5
- 72GPT-6.1 Terra vs. GPT-6 Sol
- 73GPT-6 Sol vs. GPT-5.5
- 74Claude Sonnet 5.5 vs. Kimi K3.1 Pro
- 75Claude Sonnet 5.5 vs. GPT-6.1 Terra
- 76Claude Sonnet 5.5 vs. Muse Wonder Full
- 77Claude Sonnet 5.5 vs. Gemini 4 Argon
- 78GPT-6 Sol vs. Gemini 4 Carbon
- 79Claude Sonnet 5.5 vs. Gemini 4 Carbon
- 80GPT-6 Sol vs. Kimi K3.1 Pro
- 81GPT-6 Sol vs. Gemini 4 Argon