About
Claude Opus 4.1 is an updated version of Anthropic’s flagship model, offering improved performance in coding, reasoning, and agentic tasks. It achieves 74.5% on SWE-bench Verified and shows notable gains...
Related Models
Anthropic: Claude Sonnet 52026-06-30Claude Sonnet 5 (Non-reasoning, High Effort)2026-06-30Claude Sonnet 5 (Adaptive Reasoning, High Effort)2026-06-30Claude Sonnet 5 (Adaptive Reasoning, Low Effort)2026-06-30Claude Sonnet 5 (Adaptive Reasoning, Medium Effort)2026-06-30Claude Sonnet 5 (Adaptive Reasoning, Xhigh Effort)2026-06-30Anthropic: Claude Fable 52026-06-09Anthropic: Claude Opus 4.82026-05-27
Pricing
Input
$15.00
per 1M tokens
Output
$75.00
per 1M tokens
Blended
$30.00
per 1M tokens
Cheaper than 2% of models. Median price is $0.68/1M tokens.
Cost Calculator
Tokens per day1M
100K100M
Daily
$30.00
Monthly
$900.00
vs. Similar Models
Claude 4.1 Opus (Reasoning)
$30.000%
Claude 4 Opus (Reasoning)
$30.000%
Claude 4.1 Opus (Non-reasoning)
$30.000%
Claude 4 Opus (Non-reasoning)
$30.000%
Performance
Context Window
200K
tokens
Larger than 49% of models
Max Output
32K
tokens
16% of context
Context Window Comparison
Anthropic: Claude Opus 4.5
200KSame
OpenAI: o3 Pro
200KSame
OpenAI: o3
200KSame