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GPT-6 Sol

openai/gpt-6-sol
  • OpenAI
  • Family · GPT-6 Sol
  • Released 22 Sep 2026
  • File · Image · Text → Text
  • Reasoning · adjustable
  • Tools · JSON · Vision
Not on OSMEXO yet
Spec & list price
Context1M
Max output128K
Input / 1M$2.00
Output / 1M$10.005× input
Scores · standing
Intelligence47.6#15/489
Usage
Tokens / day22.7B▼ 16% 7d
Usage rank#69
Requests / day497.1K
Tool calls / req0.48
Per request · 30 days
Avg input40.4K2.7× median
Avg output3860.6× median
Cache hit88%1.3× median
Reasoning share43%0.8× median
Tool-call failures0.1%0.1× median

Benchmarks

bar = share of the top score · Benchmark data: Artificial Analysis
Long-context reasoning#12 of 393
83.7%
SciCode#21 of 160
57.6%
Intelligence index#15 of 489
47.6
Humanity's Last Exam#18 of 465
47.9%
Terminal-Bench 4.0#13 of 152
43.9%
Speed · median across 7 providers, latest day
Output speed#133/33477 tok/s1.2× faster than median
Fastest provider93 tok/sbest of 7 providers
First token#2591.97 s1.9× longer than median

#6 cheapest of 8 with a similar score

Value
Intelligence Index
40455055$1$2$5$10GPT-6 Sol
Blended price per 1M tokens (log)
Family progress
Intelligence Index
464850525456GPT-6 Sol
  • Family releases54.5

Technical details

Reasoning
on · medium
Tokenizer
GPT
Moderation
moderated
Reasoning effort
  • max
  • xhigh
  • high
  • medium · default
  • low
  • none
Request parameters 11
  • tools
  • tool_choice
  • response_format
  • structured_outputs
  • reasoning
  • reasoning_effort
  • include_reasoning
  • max_tokens
  • max_completion_tokens
  • seed
+1 more
  • verbosity

Interesting facts

  1. Less output room than similar models (128.0K against a 289.0K median).
  2. Released 41 days ago.

When to use

Best for

  • Coding agents on large codebases
  • Browser and tool-using assistants
  • Very long document reasoning
  • Expert-level science questions
  • Image and file understanding

Think twice for

  • Long autonomous agent runs
  • New projects (usage is declining)
  • High-volume simple chat (cheaper options exist)
  • Self-hosting (closed weights)

Research papers

Same family

GPT-6 Sol

Alternatives

other vendors · similar capability

Want GPT-6 Sol on OSMEXO?

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