Side-by-side technical and economic comparison between Anthropic's Claude Fable 5.1 and Cohere's Command A.
| Metric | Claude Fable 5.1 | Command A | Advantage |
|---|---|---|---|
| Provider Organization | Anthropic | Cohere | — |
| Standard Input / 1M | $10.00 | $2.00 | Command A (80% lower) |
| Cached Input / 1M | $0.25 | $0.20 | Command A lower |
| Output / 1M | $50.00 | $8.00 | Command A lower |
| Context Window | 1M | 256k | Claude Fable 5.1 (1M) |
| Max Generation Tokens | 32k | 64k | Command A |
| Tokenizer Family | Anthropic Claude BPE (~65k vocabulary) | Cohere Byte-Pair Encoding (256k vocabulary) | — |
Opt for Claude Fable 5.1 when your engineering requirements prioritize Anthropic's ecosystem, specific tokenizer efficiencies (Calibrated Claude Tokenizer (±3%)), or when your expected prompt-to-completion ratios favor its $10/M input rate.
Opt for Command A when looking for Cohere's tooling integration, specific context window depth (256k tokens), or when output generation volume favors its $8/M rate.