Claude Fable 5
Anthropic · Released Jun 2026
Anthropic's most powerful model — a new Mythos-class tier above Opus, aimed at the hardest reasoning and agentic work.
- Strengths
- Top-end reasoning and long-horizon agentic autonomy — the most capable model in the catalogue.
- Best for
- The hardest research, coding and multi-step agent tasks where capability outweighs cost.
- Limitations
- Access is currently suspended; also the most expensive option and overkill for routine or high-volume work.
Input / 1M
$10.00
Output / 1M
$50.00
Cached input / 1M
$1.00
Context window
1M
Price history
Snapshots
| Effective | Input | Output | Cached in | Note | Source |
|---|---|---|---|---|---|
| 9 Jun 2026 | $10.00 | $50.00 | $1.00 | List price | anthropic.com/pricing |