Anthropic models
A documented index of Anthropic model milestones, specifications and available pricing.
Model index.
| Model | Lab | Dated | Latest event | Weights | Input / output modalities | Context | Input / output | Verified | Source |
|---|---|---|---|---|---|---|---|---|---|
| Claude Fable 5.2 | Anthropic | released | — | Text and image input; text output | 1,000,000 | $8 / $40Anthropic API Standard global text rate; excludes batch and fast mode; US-only inference may add a surcharge. | Official ↗ | ||
| Claude Haiku 5.5 | Anthropic | announced | — | Text and image input; text output | 1,000,000 | $0.1 / $0.5Anthropic API Standard global text rate for prompts up to 100K tokens; higher rates above 100K and US-only inference surcharge may apply. | Official ↗ | ||
| Claude Sonnet 5.5 | Anthropic | announced | — | Text and image input; text output | 1,000,000 | $2 / $10Anthropic API Standard global text rate; excludes batch and fast mode; US-only inference may add a surcharge. | Official ↗ | ||
| Claude Opus 5.5 | Anthropic | announced | — | Text and image input; text output | 1,000,000 | $4 / $20Anthropic API Standard global text rate; excludes batch and fast mode; US-only inference may add a surcharge. | Official ↗ | ||
| Claude Fable 5.1 | Anthropic | announced | — | Text and image input; text output | 1,000,000 | $10 / $50Anthropic API Standard global text rate; excludes batch and fast mode; US-only inference may add a surcharge. | Official ↗ | ||
| Claude Opus 5 | Anthropic | announced | — | Text and image input; text output | 1,000,000 | $5 / $25Anthropic API Standard global text rate; excludes batch and fast mode; US-only inference may add a surcharge. | Official ↗ | ||
| Claude Sonnet 5 | Anthropic | announced | — | Text and image input; text output | 1,000,000 | $2 / $10Anthropic API Standard global text rate; excludes batch and fast mode; US-only inference may add a surcharge. | Official ↗ | ||
| Claude Fable 5 | Anthropic | announced | — | Text and image input; text output | 1,000,000 | $10 / $50Anthropic API Standard global text rate; excludes batch and fast mode; US-only inference may add a surcharge. | Official ↗ | ||
| Claude Opus 4.8 | Anthropic | announced | — | Text and image input; text output | 1,000,000 | $5 / $25Anthropic API Standard global text rate; excludes batch and fast mode; US-only inference may add a surcharge. | Official ↗ | ||
| Claude Opus 4.7 | Anthropic | announced | — | — | 1,000,000 | $5 / $25Anthropic API Standard global text rate; excludes batch and fast mode; US-only inference may add a surcharge. | Official ↗ | ||
| Claude Sonnet 4.6 | Anthropic | announced | — | Text and image input; text output | 1,000,000 | $3 / $15Anthropic API Standard global text rate; excludes batch and fast mode; US-only inference may add a surcharge. | Official ↗ | ||
| Claude Opus 4.6 | Anthropic | announced | — | Text and image input; text output | 1,000,000 | $5 / $25Anthropic API Standard global text rate; excludes batch and fast mode; US-only inference may add a surcharge. | Official ↗ | ||
| Claude Opus 4.5 | Anthropic | announced | — | Text and image input; text output | 200,000 | $5 / $25Anthropic API Standard global text rate; excludes batch and fast mode; US-only inference may add a surcharge. | Official ↗ |
Dated = a documented vendor milestone, not necessarily the first public announcement. Prices are USD per million text tokens where shown. Context varies by provider and interface; where a model has locally available weights, context may describe the official model card. “—” means not verified; check conditions and sources before use.
Recent milestones.
- announced
Claude Haiku 5.5
Official model announcement.
- announced
Claude Sonnet 5.5
Official model announcement.
- announced
Claude Opus 5.5
Official model announcement.
- announced
Claude Fable 5.1
Official model announcement.
- released
Claude Fable 5.1
Anthropic lists this as the model release date; the later September 15 announcement remains separately recorded.
- announced
Claude Opus 5
Official model announcement.
- announced
Claude Sonnet 5
Official model announcement.