GPT-5.6 Sol
by OpenAIChat
Frontier GPT-5.6 model for complex professional work, coding, and agentic workflows
- Context
- 1.05M tokens
- Max output
- 128,000 tokens
- Released
- 2026-07-09
- Weights
- Closed
openai/gpt-5-6-sol · also seen as openai/gpt-5.6-sol-pro, duo-chat-gpt-5-6-sol, databricks-gpt-5-6-sol, gpt-daybreak-blue-latest, +20 more
Specifications
Full facts as recorded, incl. what is unknown.
- Released
- 2026-07-09
- Weights
- Closed
- Input
- Text, Image, PDF
- Output
- Text
- Context window
- 1,050,000 max across endpoints
- Max output
- 128,000
- Providers
- 22 + 30 gateways, not counted as providers
- Epoch Capabilities Index
- 161.7 ± 2.8 against price
- Direct price range
- $2.50–$5.20 in · $12.50–$30.00 out per 1M tokens · 18 of 22 providers have a comparable price
More details
- Last updated
- 2026-08-07
- Knowledge cutoff
- 2026-02-16
- Developer country
- United States of America
Capabilities
Across all endpoints: supported if any endpoint supports it.
- Tool calling
- Parallel tools
- Structured output
- Reasoning
- Image input
- PDF input
- Audio input
- Audio outputunknown
- Video input
- Prompt caching
- Web search
- Computer useunknown
- System messages
- Assistant prefillunknown
- Temperature
- Streaming
- Attachments
Endpoints
One row per provider and variant; gateways are listed separately.
Loading endpoints…
Price history
Atom feedNo change since 19 Oct 2026. The cheapest direct price has been $2.50 in / $12.50 out per 1M tokens at Infer by Flow7 on every data refresh since then.
Tracked from 19 Oct 2026. Headline-eligible direct prices only, so a price the sanity check flags never draws a spike. Series as JSON
Cost calculator
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Similarly priced models
Blended rate per 1M tokens, each at its own cheapest provider (10M input : 2M output mix).
| Model | Blended/1M | In/1M | Out/1M | Context | vs GPT-5.6 Sol |
|---|---|---|---|---|---|
| Claude Sonnet 4Anthropic | $4.50 | $2.70 | $13.50 | 200K | −2% cheaper |
| Claude Sonnet 4.5Anthropic | $4.50 | $2.70 | $13.50 | 200K | −2% cheaper |
| Grok 4xAI | $4.50 | $2.70 | $13.50 | 256K | −2% cheaper |
| Nova PremierAmazon | $4.17 | $2.50 | $12.50 | 1M | −9% cheaper |
| Claude Sonnet 3.5Anthropic | $5.00 | $3.00 | $15 | 200K | +9% |
| Claude Sonnet 3.7Anthropic | $5.00 | $3.00 | $15 | 200K | +9% |
| Claude Sonnet 4.6Anthropic | $5.00 | $3.00 | $15 | 1M | +9% |
| Sonar ProPerplexity | $5.00 | $3.00 | $15 | 200K | +9% |
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| GPT-6 Sol | 2026-09-22 | 1.05M | from $2.00 |
| GPT-6 Sol Pro | 2026-09-22 | 1.05M | from $2.00 |
| GPT-6 Luna Pro | 2026-09-22 | 1.05M | from $0.10 |