Anthropic: Claude Opus 4.1 vs Anthropic: Claude Opus 4.5
Side-by-side comparison of Anthropic: Claude Opus 4.1 and Anthropic: Claude Opus 4.5. Compare pricing, context window, capabilities, and find out which is better for your workflow.
Verdict
moderate confidenceAnthropic: Claude Opus 4.5 leads overall
Anthropic: Claude Opus 4.5 leads in price and max output, making it the stronger choice for most workflows. Anthropic: Claude Opus 4.1 remains a solid alternative depending on your specific needs.
Best for with Anthropic: Claude Opus 4.1
Best for with Anthropic: Claude Opus 4.5
Side-by-side
Technical specifications
| Anthropic: Claude Opus 4.1 | Anthropic: Claude Opus 4.5 | |
|---|---|---|
| Provider | Anthropic | Anthropic |
| Input price | $15/M | $5/M |
| Output price | $75/M | $25/M |
| Context window | 200K | 200K |
| Max output | 32K | 64K |
| Capabilities | Tool useVisionReasoning | Tool useVisionReasoning |
| Released | Aug 5, 2025 | Nov 24, 2025 |
Scoring breakdown
How each dimension compares
Price
Anthropic: Claude Opus 4.5 leadsAnthropic: Claude Opus 4.1
$75/M tokens
Anthropic: Claude Opus 4.5
$25/M tokens
Context Window
Anthropic: Claude Opus 4.1
200K tokens
Anthropic: Claude Opus 4.5
200K tokens
Capabilities
Anthropic: Claude Opus 4.1
3/4
Anthropic: Claude Opus 4.5
3/4
Max Output
Anthropic: Claude Opus 4.5 leadsAnthropic: Claude Opus 4.1
32K tokens
Anthropic: Claude Opus 4.5
64K tokens
Recency
Anthropic: Claude Opus 4.1
Aug 2025
Anthropic: Claude Opus 4.5
Nov 2025
Related comparisons
Anthropic: Claude Opus 4.1 vs Google: Gemini 2.5 Pro
flagship tier · Cross-provider
Anthropic: Claude Opus 4.1 vs Google: Gemini 2.5 Pro Preview 06-05
flagship tier · Cross-provider
Anthropic: Claude Opus 4.1 vs Google: Gemini 2.5 Pro Preview 05-06
flagship tier · Cross-provider
Anthropic: Claude Opus 4.1 vs Google: Gemini 3.1 Pro Preview
flagship tier · Cross-provider