Muse Spark 1.3 vs Claude 4.6 Opus

Detailed comparison of capabilities, features, and performance.

Muse Spark 1.3

Muse Spark 1.3

Meta
VS
Claude 4.6 Opus

Claude 4.6 Opus

Anthropic
Feature Muse Spark 1.3 Claude 4.6 Opus
AI Lab Meta Anthropic
Context Size 1,048,576 tokens 1,000,000 tokens
Max Output Size 262,144 tokens 125,000 tokens
Frontier Model Yes Yes
Vision Support Yes Yes
Description Meta's agentic and coding model, served on Meta Model API. Built for multi-step tool loops, software engineering, and long-context reasoning, with parallel tool calls and reasoning that carries across turns. 1M context window. The latest Opus 4.6 model from Anthropic

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