GPT-5 is cheaper than Claude Fable 5.1 at $1.25/M vs $10/M input tokens.
| Spec | Claude Fable 5.1 | GPT-5 |
|---|---|---|
| Input price | $10/M tokens | $1.25/M tokens |
| Output price | $50/M tokens | $10/M tokens |
| Context window | 1.0M tokens | 400K tokens |
| Released | Sep 2026 | Aug 2025 |
Not enough votes to call it. On the specs, Claude Fable 5.1 has the edge: newer, bigger context window.
GPT-5 costs 5.0x less per token.
GPT-5 is cheaper on both — 8.0× input, 5.0× output
GPT-5 is cheaper than Claude Fable 5.1 at $1.25/M vs $10/M input tokens.
| Spec | Claude Fable 5.1 | GPT-5 |
|---|---|---|
| Input price | $10/M tokens | $1.25/M tokens |
| Output price | $50/M tokens | $10/M tokens |
| Context window | 1.0M tokens | 400K tokens |
| Released | Sep 2026 | Aug 2025 |
Not enough votes to call it. On the specs, Claude Fable 5.1 has the edge: newer, bigger context window.
GPT-5 costs 5.0x less per token.
GPT-5 is cheaper on both — 8.0× input, 5.0× output