Claude Opus 4.1 (batch)
by Anthropictext+image+file->text1 endpoint
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 in multi-file code refactoring, debugging precision, and detail-oriented reasoning. The model supports extended thinking up to 64K tokens and is optimized for tasks involving research, data analysis, and tool-assisted reasoning.
Capabilities
Text generation
Image understanding
Tool use / Function calling
Structured output
Extended reasoning
Prompt caching
Long context
File input
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
Supported Parameters
include_reasoningmax_tokensreasoningresponse_formatstopstructured_outputstemperaturetool_choicetools
Pricing
Per 1M tokens
Input$7.50
Output$37.50
Cache read$0.75
Cache write$9.38
Added
August 5, 2025
Last synced 9/19/2026