Claude Opus 4.1
by Anthropictext+image+file->text2 endpoints
Neura Intelligence Index
70.0/ 100
Rank
#83—
Confidence
mediumBenchmarks
6(15% coverage)
Overview
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...
Capabilities
Text generation
Image understanding
Tool use / Function calling
Extended reasoning
Prompt caching
Long context
File input
Top-P sampling
Stop sequences
Modalities
Input
ImageTextFile
Output
Text
Technical Specifications
Context Window
200K tokens
Max Output
32K tokens
Knowledge Cutoff
2025-01-31
Tokenizer
Claude
Content Moderation
Enabled
Uptime (24h)
10000.0%
Country
🇺🇸US
Release Date
August 5, 20251y
Supported Parameters
include_reasoningmax_tokensreasoningstoptemperaturetool_choicetoolstop_ktop_p
Benchmark Performance
general
| Benchmark | Score | Source |
|---|---|---|
| MMMLU | 89.5 | verified |
coding
| Benchmark | Score | Source |
|---|---|---|
| SWE-bench Verified | 74.5 | verified |
| TerminalBench | 43.3 | verified |
math
| Benchmark | Score | Source |
|---|---|---|
| AIME 2025 | 78 | verified |
reasoning
| Benchmark | Score | Source |
|---|---|---|
| GPQA Diamond | 80.9 | verified |
agent
| Benchmark | Score | Source |
|---|---|---|
| TAU-Bench Retail | 82.4 | verified |
Performance Over Time
Pricing
Per 1M tokens
Input$15.00
Output$75.00
Cache read$1.50
Cache write$18.75
Added
August 5, 2025
Last synced 9/18/2026