OpenAI
GPT-6 Sol
GPT-6 Sol is the cost-efficient high-end model in OpenAI's GPT-6 series, positioned below the flagship GPT-6 Astra and above the fast GPT-6 Luna tier.
At a glance
- Input / 1M
- $2
- Output / 1M
- $10
- Context
- 1.05M
- Max output
- 128K
- Intelligence
- 47.6
- Released
- Sep 2026
Pricing
GPT-6 Sol API pricing
Per-token rates, plus what common tasks actually cost.
| Input tokensPer 1M tokens | $2 |
|---|---|
| Output tokensPer 1M tokens | $10 |
| Cached input (read)Per 1M tokens | $0.20 |
| Cache writePer 1M tokens | $2.50 |
| Long-context pricingPrompts above 272K tokens | $4 in / $15 out |
| Web searchPer request | $0.01 |
Chat message
2K in, 500 out
$9
per 1,000 requests
Coding task
30K in, 4K out
$100
per 1,000 requests
Long document summary
150K in, 2K out
$320
per 1,000 requests
Benchmarks
GPT-6 Sol benchmark scores
Independent scores from Artificial Analysis. Higher is better.
Intelligence index
47.6
Coding index
Not available
Agentic index
Not available
Specs
Context window and capabilities
What it can read, what it can write, and which API features it supports.
- Context window
- 1.05M tokens
- Max output
- 128K tokens
- Input types
- File, Image, Text
- Output types
- Text
- Reasoning effort
- Max, Extra high, High, Medium, Low, None
- Release date
- September 22, 2026
- Tool calling
- Structured outputs
- JSON mode
- Reasoning
- Temperature
- Stop sequences
- Deterministic seed
- Verbosity control
Compare
GPT-6 Sol vs other models
See how GPT-6 Sol stacks up head to head on price, benchmarks, and features.
VS
GPT-6 Sol vs Claude Opus 5.5
OpenAI vs Anthropic
See comparisonVSGPT-6 Sol vs Claude Sonnet 5.5
OpenAI vs Anthropic
See comparisonVSGPT-6 Sol vs Claude Fable 5.1
OpenAI vs Anthropic
See comparisonVSGPT-6 Sol vs GPT-6 Astra
OpenAI vs OpenAI
See comparisonVSGPT-6 Sol vs GPT-6.1 Sol
OpenAI vs OpenAI
See comparisonVSGPT-6 Sol vs Claude Opus 5
OpenAI vs Anthropic
See comparisonAlternatives
GPT-6 Sol alternatives
Similar models worth considering, and where each one has the edge.
OpenAI
GPT-6.1 Sol
Anthropic
Claude Opus 5
Meta
Muse Spark 1.3
Want to learn about other models? Browse all models
FAQ
Frequently asked questions
How much does GPT-6 Sol cost?
GPT-6 Sol costs $2 per 1M input tokens and $10 per 1M output tokens through the API. A typical chat message costs about $9 per 1,000 messages.
What is the context window of GPT-6 Sol?
GPT-6 Sol accepts up to 1.05M tokens of input and can write up to 128K tokens in a single response.
What is the best alternative to GPT-6 Sol?
GPT-6.1 Sol from OpenAI is a strong alternative. It offers: higher intelligence score, newer release.
Can I use GPT-6 Sol alongside other models?
Yes. Shortcut Chat sends one prompt to GPT-6 Sol and any other models you pick at the same time, so you can compare answers side by side.
Try GPT-6 Sol next to every other model.
Use GPT-6 Sol alongside all the other models. Use one at a time, or multiple together. Get the best answer from every AI.