Compare AI Models Side by Side
Select any two models to compare pricing, context window, and key capabilities across providers.
Select any two models to compare pricing, context window, and key capabilities across providers.
| Feature | Claude Fable 5.1View model details | Claude Fable 5.2View model details |
|---|---|---|
| Overview | ||
| Model ID | claude-fable-5-1 | claude-fable-5-2 |
| Description | Anthropic's most capable model for demanding reasoning and long-horizon agentic work, extending Claude Fable 5 with stronger agentic coding, multistep research, and document work. | Anthropic's most capable generally available model for demanding reasoning and long-horizon agentic work, at lower per-token prices than Claude Fable 5.1. |
| Family | anthropic | anthropic |
| Released | Sep 1, 2026 | Nov 9, 2026 |
| Stability | Stable | Stable |
| Providers | Anthropic API: anthropic/claude-fable-5-1 StableAzure Anthropic API: azure-anthropic/claude-fable-5-1 StableAWS Bedrock API: aws-bedrock/claude-fable-5-1 Stable | Anthropic API: anthropic/claude-fable-5-2 StableAWS Bedrock API: aws-bedrock/claude-fable-5-2 Stable |
| Pricing | ||
| Input Price | $10.00/1M tokens via Anthropic | $8.00/1M tokens via Anthropic |
| Output Price | $50.00/1M tokens via Anthropic | $40.00/1M tokens via Anthropic |
| Cached Input Price | $0.25/1M tokens via Anthropic | $0.20/1M tokens via Anthropic |
| Image Input Price | — | — |
| Request Price | $0.0000/1K requests via Anthropic | $0.0000/1K requests via Anthropic |
| Context | ||
| Max Context | 1M | 1M |
| Max Output | 128,000 | 128,000 |
| Capabilities | ||
| Streaming | Yes | Yes |
| Vision | Yes | Yes |
| Tool Calling | Yes | Yes |
| Parallel Tool Calls | No | No |
| Reasoning | Yes | Yes |
| JSON Output | No | No |
| Structured JSON | Yes | Yes |
| Web Search | No | No |
| Output Types | text | text |
| Parameters | ||
| Supported Parameters | effortmax_tokens | effortmax_tokens |