How much does Claude 4.1 Opus cost?

$15.00 per 1M input tokens, $75.00 per 1M output tokens.

How fast is Claude 4.1 Opus?

29 output tokens per second, 1.7 s to the first token.

No. Its weights are not published.

Claude 4.1 Opus is a standard model from Anthropic. It has 2 scored results in 2 categories. It has no index.

Unranked

IndexUnrankedMedian 51.0

Coverage40%

Speed29/sMedian 67/s

First token1.7 sMedian 1.3 s

Input / 1M$15.00Median $0.60

Output / 1M$75.00Median $2.55

Context200KMedian 262K

Elo—Median 1422

Out of 100

Agentic1 counted48.6—

Coding1 counted56.2—

ReasoningNone counted——

MultimodalNone counted——

KnowledgeNone counted——

MultilingualNone counted——

InstructionNone counted——

MathNone counted——

2 counted

BenchmarkResultPlace

JobBenchAgentic21.9%29 / 36

5 releases

Output / 1M$75.00 → $75.00

23 Oct 202612 Nov 2026

How much does Claude 4.1 Opus cost?: $15.00 per 1M input tokens, $75.00 per 1M output tokens.
How fast is Claude 4.1 Opus?: 29 output tokens per second, 1.7 s to the first token.
What is the context window of Claude 4.1 Opus?: 200K tokens.
Is Claude 4.1 Opus open source?: No. Its weights are not published.
When was Claude 4.1 Opus released?: August 2025.