GPT-6.1 Sol vs o1 (2024-12-17)
| Benchmark | GPT-6.1 Sol | o1 (2024-12-17) |
|---|---|---|
| Humanity's Last Exam | 49.9 | — |
| Terminal-Bench 4.0 | 48 | — |
| AutomationBench-AA | 62.6 | — |
| MMMU-Pro (vision) | 83.9 | — |
Specs
| Spec | GPT-6.1 Sol | o1 (2024-12-17) |
|---|---|---|
| Input, per 1M | $2 | — |
| Output, per 1M | $10 | — |
| Cost per task? | $0.21 | — |
| Speed, tok/s | 52 | — |
| Context | 1.05M | — |
| Weights | Closed | Not verified |
| Released | Sep 2026 | — |
| See images | ✓ | ✓ |
| Read PDFs | Partial | ? |
| Hear audio | — | — |
| Watch video | — | — |
| Call tools | ✓ | ✓ |
| Force a tool call | Partial | ? |
| Return strict JSON | ✓ | ✓ |
| Search the web | ✓ | ? |
| Run code | ✓ | ? |
| Use a computer | ✓ | ? |
What breaks when you switch
GPT-6.1 Sol → o1 (2024-12-17)
Context: not verified
o1 (2024-12-17) → GPT-6.1 Sol
Remove unsupported parameters›
With reasoning enabled, remove temperature, top_p and top_logprobs, plus Chat Completions logprobs or Responses message.output_text.logprobs includes.
Responses API for tool calling · Chat Completions›
Use Responses for tools; Chat Completions supports this model without tool calling.
No none or minimal reasoning›
The none and minimal reasoning efforts are unsupported; choose low, medium, high, xhigh or max.
More than 272K input tokens›
Prompts above 272K input tokens charge 2× input and cache rates and 1.5× output rates for the entire request.
Cache writes billed at 1.25x›
Cache writes cost 1.25× the uncached input token rate.
Ultrafast prices 6x Standard›
Ultrafast mode costs 6× Standard token prices.