Claude 3 HaikuvsMuse Spark 1.2
Claude 3 Haiku | Muse Spark 1.2 | |
|---|---|---|
| Specifications | ||
Context window | — | 1M |
| Benchmarks | ||
Nonsense detection BullshitBench v2Given a confidently-worded but nonsensical prompt, does the AI spot that it makes no sense and push back — instead of playing along and inventing an answer? The score is how often it clearly called out the nonsense. Higher is better. | 10% | — |
Agentic coding DeepSWE 1.1Artificial Analysis' independent test of deep, agentic software-engineering work — the AI has to plan and carry out substantial coding tasks end to end. (Version 1.1 of the test.) Higher is better. | — | 59.3% |
Agentic terminal coding Terminal-Bench 2.1Can the AI work in a command-line terminal — running commands and finishing technical setup tasks the way a developer would? Higher is better. | — | 82.9% |
Science GPQA DiamondGraduate-level science questions in biology, physics, and chemistry — hard enough that subject-matter PhDs score around 65%. Higher is better. | 33.3% | — |
| Overview | ||
| Company | Anthropic | Meta |
| Release date | Mar 4 2024 | Aug 5 2026 |
| Access | Proprietary | Proprietary |
Which is better: Claude 3 Haiku or Muse Spark 1.2?
Claude 3 Haiku and Muse Spark 1.2 don't publish scores on any of the same benchmarks, so there's no direct head-to-head comparison. Claude 3 Haiku shipped 884 days before Muse Spark 1.2, so benchmark comparisons should account for the intervening progress.
Published specifications for these two models are limited — see each model page for the latest details.
Direct benchmark comparisons are unavailable — Claude 3 Haiku and Muse Spark 1.2 don't publish scores on any of the same benchmarks.
Frequently asked questions
Claude 3 Haiku was released by Anthropic on Mar 4 2024.
Muse Spark 1.2 was released by Meta on Aug 5 2026.
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