Anthropic Claude Haiku 4.5 vs MiniMax MiniMax M2

Detailed comparison for LLMs

AnthropicMiniMax

On Guardion's LLM vulnerability Benchmark, Anthropic Claude Haiku 4.5 is the more secure of the two: Claude Haiku 4.5 scores 5.2% and MiniMax M2 scores 40.0% on attack success rate (ASR) (lower is better). One or both scores are estimated from public safety evaluations pending a Guardion benchmark run.

Head-to-Head Overview

Claude Haiku 4.5 is the overall winner in this comparison!

Attack Success Rate (lower is safer)

ASR for Anthropic Claude Haiku 4.5 vs MiniMax MiniMax M2. Green marks the safer model on each metric. Only the overall score is available for estimated models.

Overall (ASR)

Claude Haiku 4.5
5.2%
MiniMax M2
40.0%

TAP Attack Method (ASR)

Claude Haiku 4.5
100.0%
MiniMax M2
100.0%

Crescendo Attack Method (ASR)

Claude Haiku 4.5
100.0%
MiniMax M2
100.0%

Zero-Shot (ASR)

Claude Haiku 4.5
100.0%
MiniMax M2
100.0%

Key Highlights

  • Anthropic Claude Haiku 4.5 has a lower Overall (ASR).

Security Profile

Outward is better on every axis.

OverallTAPCrescendoZero-Shot
Claude Haiku 4.5
MiniMax M2
Full security profile
Anthropic Claude Haiku 4.5
Full security profile
MiniMax MiniMax M2

Frequently asked questions

Is Anthropic Claude Haiku 4.5 or MiniMax MiniMax M2 more secure?

On Guardion's LLM vulnerability Benchmark, Anthropic Claude Haiku 4.5 is the more secure of the two: Claude Haiku 4.5 scores 5.2% and MiniMax M2 scores 40.0% on attack success rate (ASR) (lower is better). One or both scores are estimated from public safety evaluations pending a Guardion benchmark run.

What is the attack success rate (ASR) of Claude Haiku 4.5 vs MiniMax M2?

Claude Haiku 4.5 has a 5.2% ASR and MiniMax M2 has a 40.0% ASR — the share of adversarial prompts that succeed across zero-shot, TAP, and Crescendo attacks. Lower is safer.

How were Claude Haiku 4.5 and MiniMax M2 tested?

Both were red-teamed with the HarmBench framework across zero-shot, TAP (Tree of Attacks with Pruning), and Crescendo multi-turn attacks, scored by Attack Success Rate.

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