Text modelsAnthropic

Claude Opus 5: model and API overview

Claude Opus 5 is Anthropic's advanced model for long-horizon agentic work and coding; its official overview lists up to a 1M-token context and 128K-token output.

External model reference page. This page does not confirm availability in Neiron.

Capabilities

Claude Opus 5: Handle coding, code analysis, and agentic development tasks.

Input: Text, Images; output: Text.

Purpose: Language model; developer: Anthropic; region: United States.

Use cases

Choose Claude Opus 5 when you need repository work, code repair, or a multi-step engineering task.Compare Claude Opus 5 with related Claude models if the task allows a different input or output format.Before starting, confirm the input format and expected result (text, code, or an implementation plan).

Reviewed facts

Developer

Anthropic

Purpose

Language model, Reasoning, Coding, Vision

Input

Text, Images

Output

Text

Geography

United States

Verified

2026-08-25

Benchmarks

Public benchmarks with a complete score and methodology have not been added yet.

Sources

Claude Opus 5 model overview (Official primary source)

What to verify before use

Parameters, limits, licensing terms, and, where applicable, pricing for Claude Opus 5 change over time. Check the official Anthropic documentation before integrating.

Expected result: text, code, or an implementation plan. For a different input or output, see neighboring Claude cards.

FAQ

What is Claude Opus 5?

Claude Opus 5 is Anthropic's advanced model for long-horizon agentic work and coding; its official overview lists up to a 1M-token context and 128K-token output.

What task is Claude Opus 5 suited to?

Handle coding, code analysis, and agentic development tasks. Choose it when you need repository work, code repair, or a multi-step engineering task.

What does Claude Opus 5 accept and return?

Reviewed input modalities: Text, Images. Output: Text. The record was checked on 2026-08-25.