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OpenAI · Reasoning

GPT-5 (2025-08-07) family and o3 / o3-pro snapshots deprecation Deprecated

gpt-5, gpt-5-mini, gpt-5-nano, gpt-5-pro, o3 and o3-pro snapshots shut down 2026-12-11

Official announcement ↗Documentation ↗
Provider
OpenAI
Family
GPT / o-series
Model type
Reasoning
Official release date
Jun 11, 2026
Release type
Deprecation
Status
Deprecated
Previous version
—
Input
text
Output
text
Context window
Not documented
Max output
Not documented
API model id
o3
API price (input)
Not verified
API price (output)
Not verified
Price notes
—
Consumer apps
—
Developer API
—
Free access
None documented
Paid access
—
Availability
—
Licence
proprietary

Main improvements

  • gpt-5, gpt-5-mini, gpt-5-nano, gpt-5-pro, o3 and o3-pro snapshots shut down 2026-12-11
  • Replacements: gpt-5.6-sol, gpt-5.6-terra or gpt-5.6-luna
  • o4-mini, o1, o1-pro and o3-mini snapshots retire 2026-10-23 (announced 2026-04-22)

Benchmarks

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

Verified Oct 19, 2026 · confidence: high · unresolved: The o-series is no longer a current line; reasoning is built into GPT-6 models.

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