Side-by-side comparison · models
Claude Fable 5.2 vs Claude Sonnet 5 (Free)
What we have checked about each, line by line. Every value shows where it came from and when we last confirmed it.
Models
Claude Fable 5.2
Claude Fable 5.2 is Anthropic's most capable model for the most demanding technical work, with gains over Fable 5.1 in coding, reasoning, and vision.
Models
Claude Sonnet 5 (Free)
Everyday Claude agent model for coding, planning, browsing, and general work.
Checked facts
Line by line
| Measure | Claude Fable 5.2 | Claude Sonnet 5 (Free) |
|---|---|---|
| Input price | $8.00 per million tokens | Not checked yet |
| Output price | $40.00 per million tokens | Not checked yet |
| Price on amazon-bedrock | $0.200 per million cached input tokens | Not checked yet |
| Price on amazon-bedrock | $8.00 per million input tokens | Not checked yet |
| Price on amazon-bedrock | $40.00 per million output tokens | Not checked yet |
| Price on anthropic | $0.200 per million cached input tokens | Not checked yet |
| Price on anthropic | $8.00 per million input tokens | Not checked yet |
| Price on anthropic | $40.00 per million output tokens | Not checked yet |
| Price on azure | $0.200 per million cached input tokens | Not checked yet |
| Price on azure | $8.00 per million input tokens | Not checked yet |
| Price on azure | $40.00 per million output tokens | Not checked yet |
| Price on google-vertex | $0.200 per million cached input tokens | Not checked yet |
| Price on google-vertex | $8.00 per million input tokens | Not checked yet |
| Price on google-vertex | $40.00 per million output tokens | Not checked yet |
| Latest version | anthropic/claude-fable-5.2-20261109 | Not checked yet |
| Time to first token (ms) | 252,010 | 1,350 |
| Time to first token (ms) on amazon-bedrock | 16,374 | Not checked yet |
| Time to first token (ms) on anthropic | 4,107 | Not checked yet |
| Time to first token (ms) on azure | 3,816 | Not checked yet |
| Time to first token (ms) on google-vertex | 3,463 | Not checked yet |
| Output speed (tokens a second) | 94.6 | 64.1 |
| Output speed (tokens a second) on amazon-bedrock | 65 | Not checked yet |
| Output speed (tokens a second) on anthropic | 75 | Not checked yet |
| Output speed (tokens a second) on azure | 55 | Not checked yet |
| Output speed (tokens a second) on google-vertex | 76 | Not checked yet |
| Tokens served on OpenRouter in a day | 179.5B (for 10 Nov 2026) | Not checked yet |
| Tool calls on OpenRouter in a day | 696.3K (for 10 Nov 2026) | Not checked yet |
| Artificial Analysis Intelligence Index | 64.6 | Not checked yet |
| LMArena web development rating (Elo) | 1,836 | Not checked yet |
| Design Arena rating (Elo) | 1,527 | Not checked yet |
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