Claude Fable 5
AnthropicAnthropic's new flagship with always-on adaptive thinking and 1M context.
1M+ contextFrontier intelligenceStrong reasoningMultimodal vision
TextVisionTool useReasoningCode
Performance
Artificial Analysis — Intelligence Index· 2026-06-17| Intelligence Index | 64Frontier · /100 |
| Coding | 95 |
| Math | 93 |
| Reasoning | 96 |
| Vision | 84 |
| Arena Elo | 1490Top-tier |
Specifications
| Vendor | Anthropic |
| Family | Claude |
| Context | 1M · 750k words（≈ a novella） |
| Max output | 128K · 96k words（≈ a thesis）Below average |
| Released | 2026-05-21 |
| Open source | No |
| Tool use | ✓ |
Technical specs (developers: rate limits / latency / throughput)
| Rate limit (RPM) | 50 |
| Rate limit (TPM) | 30,000 |
| TTFT | 600 ms |
| Output speed | 55 tok/s |
Pricing across channels
per 1M tokens, USD
| Channel | Type | Input | Output | → |
|---|---|---|---|---|
| Anthropic API | Official | $10.00 | $50.00 | visit |
| OpenRouter | Aggregator | $10.00 | $50.00 | visitAd |
Anthropic Pricing· 2026-06-17
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