whichllmmodel
Back to Dashboard

Anthropic Claude Haiku 4.5 VS Meta Muse Spark 1.1

✍️ Analysis by:the whichllmmodel Editorial Team|📅 Updated: June 2026

Decision Recommendation

👑 Editorial Verdict: Muse Spark 1.1 strictly dominates Claude Haiku 4.5 across all compared dimensions. It is not only more cost-effective (blended cost of $2.00 vs $2.00 per 1M tokens) but also delivers superior coding accuracy (61.5% vs 39.5% on SWE-bench). Unless you have platform lock-in, Muse Spark 1.1 is the clear and optimal choice for all development workloads.
Was this recommendation helpful?
Model Specs

Claude Haiku 4.5

Benchmarks & Scores

Coding (swe-bench-pro)
39.5%

excellent at multi-file repositories, autonomous agents, and industrial codebases

Reasoning (gpqa-diamond)
73%

graduate-level science QA

Cost & Performance

Cost (per 1M tokens)
$2.00Input: $1.00 | Output: $5.00
Context Window
200k tokens
Model Specs

Muse Spark 1.1

Benchmarks & Scores

Coding (swe-bench-pro)Winner (+22.0%)
61.5%

excellent at multi-file repositories, autonomous agents, and industrial codebases

Reasoning (gpqa-diamond)Winner (+18.2%)
91.16%

graduate-level science QA

Cost & Performance

Cost (per 1M tokens)
$2.00Input: $1.25 | Output: $4.25
Context WindowLarger
1.05M tokens

Frequently Asked Questions about Claude Haiku 4.5 vs Muse Spark 1.1 comparison

Both Claude Haiku 4.5 and Muse Spark 1.1 cost the same, with a blended cost of $2.00 per 1 million tokens.

Muse Spark 1.1 is better for coding tasks on this benchmark. It scores 61.5% on swe-bench-pro (excellent at multi-file repositories, autonomous agents, and industrial codebases) compared to Claude Haiku 4.5 which scores 39.5%.