Claude Fable 5.1
A broadly available frontier model whose reduced cache-read cost could materially improve persistent agent economics, but HubAI will not score vendor benchmark claims before an independent same-task test.
- Best for
- Long-running coding, research, knowledge work and context-heavy agents
- Price
- $10/1M input, $50/1M output; cache reads $0.25/1M tokens
- Free / trial
- Available across Claude platforms; plan access varies
- Watch-out
- Premium $50/M output-token price