Claude Opus 4.1
by Anthropic
· Claude 4 family · released Aug 5, 2025
Closed
Active
Refined Opus 4 with better instruction following.
Pricing
Launch price (from Aug 5, 2025)
$15.00 in / $75.00 out per 1M tokens
Current price (since Aug 5, 2025)
$15.00 in / $75.00 out per 1M tokens
| Tier | Effective | In $/M | Out $/M | Cache $/M | Per image | Per second | Source |
|---|---|---|---|---|---|---|---|
| Standard | Aug 5, 2025 – now | $15.00 | $75.00 | - | - | - | - |
| Batch | Aug 5, 2025 – now | $7.50 | $37.50 | - | - | - | - |
Specifications
| Model type | Multimodal |
|---|---|
| Architecture | Dense |
| Parameters | Not disclosed |
| Context window | 200K tokens |
| Max output | 32K tokens |
| Knowledge cutoff | May 1, 2025 |
| License | Proprietary |
| Modalities | Text input Image input Text output |
| Tags | Agentic Coding Flagship Vision |
| End of life | Not disclosed |
| Last verified | Aug 20, 2026 |