Claude Fable 5.1 vs GPT-5.6 Sol
Anthropic vs OpenAI — compared on intelligence, speed, price, and capabilities.
Quick answer
GPT-5.6 Sol is about 40% cheaper per million output tokens and is faster compared with Claude Fable 5.1.
 Claude Fable 5.1 |  GPT-5.6 Sol | |
|---|---|---|
| Intelligence | 99 | 98 |
| Speed | 35 | 85 |
| Input $ / 1M tokens | $10 | $5 |
| Output $ / 1M tokens | $50 | $30 |
Claude Fable 5.1Anthropic's most capable generally available Claude model for demanding reasoning, long-running agentic coding, research, and complex knowledge work.
- ✓ reasoning
- ✓ web search
- ✓ reasoning effort
- ✓ vision
- ✓ documents
- ✓ image generation
GPT-5.6 SolOpenAI's frontier GPT-5.6 model for complex professional work, with a 1.05M token context window, native web search, and image generation.
- ✓ reasoning
- ✓ web search
- ✓ reasoning effort
- ✓ vision
- ✓ documents
- ✓ image generation
Frequently asked questions
- Claude Fable 5.1 vs GPT-5.6 Sol: which is better?
- GPT-5.6 Sol is about 40% cheaper per million output tokens and is faster compared with Claude Fable 5.1.
- Which is cheaper?
- GPT-5.6 Sol is about 40% cheaper: Claude Fable 5.1 lists at $50 and GPT-5.6 Sol at $30 per million output tokens.
- Which is better for coding?
- They're close for coding on the data EVA has. The quickest way to decide is to give both the same bug or feature request and compare the code.
- Can I use both together?
- Yes. In EVA's Multi Chat you send one prompt to Claude Fable 5.1 and GPT-5.6 Sol at once and read the answers side by side, or use Split Chat to run two separate conversations next to each other. Both draw on the same EVA credit balance.
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