Updated
Claude Fable 5.2 vs GPT-6 Luna
Claude Fable 5.2 does not have enough reviewed code to rank yet.
| Claude Fable 5.2 | GPT-6 Luna | |
|---|---|---|
| Bug rate | ||
| Relative bug rate | Launch week | 0.31 |
| Details | ||
| Provider | Anthropic | OpenAI |
| Released | Nov 9, 2026 | Sep 22, 2026 |
| List price | $8 input / $40 output per 1M tokens | $0.10 input / $0.50 output per 1M tokens |
1.00 = average · lower is better
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Questions and answers
- Which has fewer bugs, Claude Fable 5.2 or GPT-6 Luna?
- Claude Fable 5.2 does not have enough reviewed code to rank yet.
- Which is cheaper, Claude Fable 5.2 or GPT-6 Luna?
- Claude Fable 5.2 lists at $8 input / $40 output per 1M tokens; GPT-6 Luna lists at $0.10 input / $0.50 output per 1M tokens. GPT-6 Luna has the lower list price.