Anthropic Claude Haiku 4.5 vs Cohere Command 2X

Detailed comparison for LLMs

AnthropicCohere

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 Command 2X scores 39.4% 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 Cohere Command 2X. 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%
Command 2X
39.4%

TAP Attack Method (ASR)

Claude Haiku 4.5
100.0%
Command 2X

Crescendo Attack Method (ASR)

Claude Haiku 4.5
100.0%
Command 2X

Zero-Shot (ASR)

Claude Haiku 4.5
100.0%
Command 2X
6.2%

Key Highlights

  • Anthropic Claude Haiku 4.5 has a lower Overall (ASR).
  • Cohere Command 2X has a lower Zero-Shot (ASR).

Security Profile

Outward is better on every axis.

OverallTAPCrescendoZero-Shot
Claude Haiku 4.5
Command 2X
Full security profile
Anthropic Claude Haiku 4.5
Full security profile
Cohere Command 2X

Frequently asked questions

Is Anthropic Claude Haiku 4.5 or Cohere Command 2X 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 Command 2X scores 39.4% 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 Command 2X?

Claude Haiku 4.5 has a 5.2% ASR and Command 2X has a 39.4% 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 Command 2X 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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