Rank of 27203from #17
Known for
High-volume, focused work where price per task decides it.
OpenAI's cheapest GPT-6, out on 22 September 2026 at $0.10 in and $0.50 out. It scores 66.6% on DeepSWE v1.1, which OpenAI puts level with Opus 5 at medium effort while costing 93% less per task.
What it does8
- 1.05M-token context, 128K output
- Six reasoning levels, none to max
- Text and image in, text out
- Knowledge cutoff May 2026
- $0.10 / $0.50 per million tokens, half of GPT-5.6 Luna
- Cached input at a tenth of the input price
- Free and Go users get it in the desktop app
- In the API as gpt-6-luna
From GPT-6 Luna’s own site. Not used for ranking.
39index score · LLMs
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