OpenAI · Reasoning

GPT-6.1 Sol Updated

Positioned as near-Astra performance at lower cost

Provider
OpenAI
Family
GPT
Model type
Reasoning
Official release date
Sep 29, 2026
Release type
New version
Status
Generally available
Previous version
GPT-6 Sol
Input
text, image
Output
text
Context window
1,050,000 tokens
Max output
128,000 tokens
API model id
gpt-6.1-sol
API price (input)
$2 per 1M tokens
API price (output)
$10 per 1M tokens
Price notes
Cached input $0.10; prompts over 272K input tokens cost 2x input and 1.5x output.
Consumer apps
—
Developer API
OpenAI API
Free access
None documented
Paid access
—
Availability
—
Licence
proprietary

Main improvements

  • Positioned as near-Astra performance at lower cost
  • Aimed at complex coding, computer use and professional work
  • Ultrafast mode added 2026-10-08

Best use cases

  • Agentic coding
  • Computer use
  • Professional knowledge work

Benchmarks

No benchmark results recorded. We only list scores with a source, benchmark version and date.

Verified Oct 19, 2026 · confidence: high · unresolved: No dated snapshot listed.

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