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- GPT-6.1 Sol vs. GPT-6 Astra
OpenAILLM matchup
GPT-6.1 Solvs.GPT-6 Astra
Is the higher price worth it?
GPT-6.1 Sol and GPT-6 Astra perform about equally well, but GPT-6 Astra costs 5 times as much.
GPT-6.1 Sol
Rank 9
GPT-6 Astra
Rank 7
GPT-6.1 Sol
GPT-6 Astra
GPT-6.1 Sol
GPT-6 Astra
GPT-6.1 Sol
GPT-6 Astra
Rank 10 of 485
Above 272,000 tokens of context, GPT-6.1 Sol costs more: $4 input and $15 output per 1M tokens. Above 272,000 tokens of context, GPT-6 Astra costs more: $20 input and $75 output per 1M tokens.
No clear advantage for GPT-6.1 Sol.
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Where is the difference?
Strengths at a glance
GPT-6.1 SolGPT-6 Astra
The median of all ranked models is below 100 in every area, so it sits in the centre of the net.
95 % range: GPT-6.1 Sol 113.7 to 127.5, GPT-6 Astra 115.4 to 133.2.
The same values and verdicts as the bars below. In the close-up the net starts at 100 points, just below the weaker model's lowest value; the reference group average is 100.
GPT-6 Astra is ahead in 6 of 10 areas, GPT-6.1 Sol in none.
level: 3GPT-6 Astra slightly ahead: 1GPT-6 Astra ahead: 6
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.
GPT-6.1 Sol vs. GPT-6 Astra 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.
GPT-6.1 Sol vs. GPT-6 Astra 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.
GPT-6.1 Sol

Oct 1, 2026 · 84 s · $0.04
Test details
- Run date
- Oct 1, 2026
- API provider
- openrouter
- Requested API model
- openai/gpt-6.1-sol
- Reasoning setting
- high
- Token limit including reasoning
- 8,192 tokens
- Output tokens
- 3,583 tokens
- Cost of the attempt
- $0.0359
- Response time
- 83.6 s
- API model reported in response
- openai/gpt-6.1-sol
- Pinned endpoint
- OpenAI | openai/gpt-6.1-sol-20260929
- 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 Astra

Sep 7, 2026 · 142 s · $0.20
Test details
- Run date
- Sep 7, 2026
- API provider
- openrouter
- Requested API model
- openai/gpt-6-astra
- Reasoning setting
- high
- Token limit including reasoning
- 8,192 tokens
- Output tokens
- 3,966 tokens
- Cost of the attempt
- $0.1985
- Response time
- 141.7 s
- API model reported in response
- openai/gpt-6-astra
- Pinned endpoint
- OpenAI | openai/gpt-6-astra-20260903
- 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.
GPT-6.1 Sol
Unavailable in this round
GPT-6 Astra
Unavailable in this round
GPT-6.1 Sol and GPT-6 Astra 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-6.1 Sol has no popularity score yet.
Over time
Weekly values from October 18, 2026 to November 14, 2026
GPT-6.1 SolGPT-6 Astra
All data side by side
The better value is bold. For the overall index only when the gap is clear.
| Metric | GPT-6.1 Sol | GPT-6 Astra |
|---|---|---|
| Intelligence | ||
| Overall indexpoints, 100 = reference group average, higher is better | 117.5 | 119.6 |
| Rank | Rank 9 of 95 | Rank 7 of 95 |
| Price per 1M tokens | ||
| Inputwhat you send | $2above 272,000 tokens: $4 | $10above 272,000 tokens: $20 |
| Outputwhat the model writes | $10above 272,000 tokens: $15 | $50above 272,000 tokens: $75 |
| Cost per task (own tests)average of 3 original-protocol tasks both models passed (SVG short test not included) | $0.044 | $0.26 |
| Speed | ||
| Tokens per second | 54 | 44 |
| Popularity | ||
| Popularitysearch, usage and mentions, 0 to 100 | n/a | 84Rank 10 of 485 |
| Technical | ||
| Context windowhow much text the model reads at once | 1.05 M tokens≈ 1,580 A4 pages | 1.05 M tokens≈ 1,580 A4 pages |
| Knowledge cutoff | Apr 30, 2026 | Apr 30, 2026 |
| Released | Sep 29, 2026 | Sep 3, 2026 |
| Availability | Active | Limited access |
| 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 127.0, rank 2$2 input and $10 output per 1M tokens
GPT-6 Astra vs. Gemini 4 CarbonOverall index 130.9, rank 1$8 input and $40 output per 1M tokens
View profileShared 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: GPT-6.1 SolB: GPT-6 Astra
Show 54 more benchmarks
More comparisons
Compare GPT-6.1 Sol and GPT-6 Astra with the models people compare them with most often.
Compare another matchup
Predecessor and successor
The most popular comparisons
- 1Claude Opus 5.5 vs. GPT-6 Astra
- 2GPT-6 Astra vs. GPT-6 Luna
- 3GPT-6 Astra vs. DeepSeek-V4.1-Flash
- 4GPT-6.1 Sol vs. GPT-5.6 Sol
- 5GPT-6 Astra vs. GPT-6 Sol
- 6GPT-6 Astra vs. Kimi K3
- 7GPT-6 Astra vs. GPT-5.6 Terra
- 8Claude Opus 5 vs. GPT-6 Astra
- 9GPT-6.1 Sol vs. GPT-6.1 Terra
Show all 74 comparisons
- 10GPT-6 Astra vs. GLM-5.3-Flash
- 11GPT-6 Astra vs. Qwen 3.8 27B
- 12GPT-6 Astra vs. DeepSeek-V4-Flash
- 13GPT-6 Astra vs. GPT-5.6 Luna
- 14GPT-6 Astra vs. Gemini 3.8 Flash
- 15GPT-6 Astra vs. GLM-5.2
- 16GPT-6 Astra vs. Gemini 4 Argon
- 17Claude Opus 4.8 vs. GPT-6 Astra
- 18Claude Sonnet 5 vs. GPT-6 Astra
- 19Claude Haiku 5.5 vs. GPT-6 Astra
- 20Claude Sonnet 5.5 vs. GPT-6 Astra
- 21GPT-6 Astra vs. DeepSeek V4.1 Flash 1017
- 22GPT-6 Astra vs. Grok 4.7
- 23GPT-6.1 Sol vs. GPT-5.6 Terra
- 24Claude Fable 5.1 vs. GPT-6 Astra
- 25GPT-6 Astra vs. Qwen 3.8 Max 0902
- 26Claude Sonnet 4.6 vs. GPT-6 Astra
- 27Claude Opus 4.6 vs. GPT-6 Astra
- 28GPT-6.1 Sol vs. Gemini 3.8 Flash
- 29Claude Fable 5 vs. GPT-6 Astra
- 30Claude Opus 5.5 vs. GPT-6.1 Sol
- 31Claude Sonnet 5.5 vs. GPT-6.1 Sol
- 32GPT-6 Astra vs. GPT-5.4
- 33GPT-6.1 Terra vs. GPT-6 Astra
- 34GPT-6.1 Sol vs. GLM-5.3-Flash
- 35GPT-6.1 Sol vs. GPT-6 Luna
- 36GPT-6.1 Sol vs. Gemini 4 Carbon
- 37Claude Opus 4.7 vs. GPT-6 Astra
- 38GPT-6.1 Sol vs. DeepSeek-V4.1-Flash
- 39Claude Opus 4.5 vs. GPT-6 Astra
- 40Claude Opus 4.8 vs. GPT-6.1 Sol
- 41GPT-6 Astra vs. Gemini 4 Carbon
- 42GPT-6.1 Sol vs. Gemini 4 Argon
- 43GPT-6.1 Sol vs. Kimi K3.1 Pro
- 44GPT-6.1 Sol vs. DeepSeek-V4-Flash
- 45GPT-6.1 Sol vs. GPT-5.4 mini
- 46GPT-6.1 Sol vs. GPT-5.4
- 47GPT-6.1 Sol vs. DeepSeek V4.1 Flash 1017
- 48GPT-6.1 Sol vs. Qwen 3.8 Max 0902
- 49Claude Sonnet 4.6 vs. GPT-6.1 Sol
- 50Claude Opus 4.6 vs. GPT-6.1 Sol
- 51GPT-6.1 Sol vs. GPT-5.6 Luna
- 52Claude Sonnet 5 vs. GPT-6.1 Sol
- 53Claude Opus 5 vs. GPT-6.1 Sol
- 54GPT-6.1 Sol vs. GPT-5.5
- 55Claude Haiku 5.5 vs. GPT-6.1 Sol
- 56GPT-6 Astra vs. Kimi K3.1 Pro
- 57GPT-6 Astra vs. Muse Wonder Full
- 58GPT-6.1 Sol vs. Grok 4.7
- 59Claude Sonnet 4.5 vs. GPT-6.1 Sol
- 60GPT-6.1 Sol vs. Gemini 3.5 Flash
- 61Claude Opus 4.7 vs. GPT-6.1 Sol
- 62GPT-6.1 Sol vs. GLM-5.3
- 63Claude Fable 5.2 vs. GPT-6.1 Sol
- 64GPT-6.1 Sol vs. Gemini 3.7 Flash
- 65GPT-6.1 Sol vs. Qwen 3.8 27B
- 66Claude Fable 5.1 vs. GPT-6.1 Sol
- 67GPT-6.1 Sol vs. Gemini 3.1 Pro Preview
- 68GPT-6.1 Sol vs. Gemini 3.6 Flash
- 69GPT-6.1 Sol vs. Kimi K3
- 70Claude Fable 5 vs. GPT-6.1 Sol
- 71GPT-6.1 Sol vs. DeepSeek-V4-Pro
- 72GPT-6.1 Sol vs. Muse Wonder
- 73Claude Haiku 4.5 vs. GPT-6.1 Sol
- 74Claude Opus 4.5 vs. GPT-6.1 Sol