Claude Opus 5 vs Muse Spark 1.1: Specs & Benchmark Comparison

CharacteristicClaude Opus 5Muse Spark 1.1
CompanyAnthropicMeta
Release DateJuly 24, 2026July 9, 2026
Parameters
MultimodalYesYes
Context (input)1.0M1.0M
Context (output)128K131K
Input Price / 1M$5.00$1.25
Output Price / 1M$25.00$4.25
Average Score0.60.8

Verdict

Both models show equal results — the choice depends on your specific use case.

Overall Performance

Both models show comparable average scores: Claude Opus 5 — 0.6, Muse Spark 1.1 — 0.8.

API Cost

Muse Spark 1.1 is 5.5x cheaper: input $1.25/1M vs $5.00/1M tokens.

Context Window

Same context size: 1M tokens.

Recency

Claude Opus 5 is newer: released 7/24/2026 vs 7/9/2026.

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Frequently Asked Questions

Which is better for coding — Claude Opus 5 or Muse Spark 1.1?
Direct comparison on the SWE-Bench benchmark is not available. We recommend reviewing other metrics on the comparison page.
Which model is cheaper — Claude Opus 5 or Muse Spark 1.1?
Muse Spark 1.1 is cheaper for input: $1.25 per 1M tokens vs $5.00.
Which has a larger context window — Claude Opus 5 or Muse Spark 1.1?
Claude Opus 5 supports a larger context: 1,000,000 tokens vs 1,000,000.

The Claude Opus 5 and Muse Spark 1.1 comparison is updated for 2026. Data includes benchmark results, API pricing, context window size and other specifications. For more detailed information, visit the Claude Opus 5 or Muse Spark 1.1 page. See also the complete list of AI model comparisons.