Anthropic: Claude Opus 4.6

Text input Image input File input Text output
Author's Description

Opus 4.6 is Anthropic’s strongest model for coding and long-running professional tasks. It is built for agents that operate across entire workflows rather than single prompts, making it especially effective...

Key Specifications
Cost
+$$$$$
Context
1M
Released
Feb 04, 2026
Speed
Ability
Reliability
Supported Parameters

This model supports the following parameters:

Top P Structured Outputs Reasoning Include Reasoning Temperature Tool Choice Tools Response Format Max Tokens Stop
Features

This model supports the following features:

Tools Reasoning Structured Outputs Response Format
Performance Summary

Anthropic's Claude Opus 4.6 demonstrates moderate speed performance, ranking in the 38th percentile across various benchmarks. Its pricing tends to be at premium levels, positioned in the 8th percentile. A standout feature is its exceptional reliability, achieving a 100% success rate across all benchmarks, indicating minimal technical failures and consistent evaluable responses. The model exhibits strong performance in specialized areas, particularly coding (95.0% accuracy, 91st percentile) and mathematics (95.0% accuracy, 86th percentile), aligning with its description as a powerful tool for professional tasks. It also excels in instruction following (75.0% accuracy, 81st percentile) and reasoning (94.0% accuracy, 78th percentile), showcasing its capability for complex, multi-step operations. Opus 4.6 achieves perfect accuracy in Ethics, highlighting its robust moral reasoning. While its general knowledge (99.5% accuracy, 69th percentile) and hallucination resistance (98.0% accuracy, 65th percentile) are solid, its email classification accuracy (97.0%, 39th percentile) is comparatively lower, suggesting a potential area for refinement. Overall, Opus 4.6 is a highly reliable and capable model, particularly for demanding technical and knowledge-intensive workflows, despite its premium cost and moderate speed.

Model Pricing

Current Pricing

Feature Price (per 1M tokens)
Prompt $5
Completion $25
Input Cache Read $0.5
Input Cache Write $6.25
Web Search $10000

Price History

Available Endpoints
Provider Endpoint Name Context Length Pricing (Input) Pricing (Output)
Anthropic
Anthropic | anthropic/claude-4.6-opus-20260205 1M $5 / 1M tokens $25 / 1M tokens
Amazon Bedrock
Amazon Bedrock | anthropic/claude-4.6-opus-20260205 1M $5 / 1M tokens $25 / 1M tokens
Google
Google | anthropic/claude-4.6-opus-20260205 1M $5 / 1M tokens $25 / 1M tokens
Azure
Azure | anthropic/claude-4.6-opus-20260205 1M $5 / 1M tokens $25 / 1M tokens
Anthropic
Anthropic | anthropic/claude-4.6-opus-20260205 1M $5 / 1M tokens $25 / 1M tokens
Google
Google | anthropic/claude-4.6-opus-20260205 1M $5 / 1M tokens $25 / 1M tokens
Amazon Bedrock
Amazon Bedrock | anthropic/claude-4.6-opus-20260205 1M $5 / 1M tokens $25 / 1M tokens
Azure
Azure | anthropic/claude-4.6-opus-20260205 1M $5 / 1M tokens $25 / 1M tokens
Google
Google | anthropic/claude-4.6-opus-20260205 1M $5 / 1M tokens $25 / 1M tokens
Benchmark Results
Benchmark Category Reasoning Strategy Free Executions Accuracy Cost Duration
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