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Claude Haiku 4.5

Anthropic

Claude Haiku 4.5

vs

xAI

Grok 4 Fast

Grok 4 Fast

When they disagreed

Head-to-head wins

Claude Haiku 4.5

61

Both lost

40

Grok 4 Fast

34

Track record

Last 30 days · all sports

Claude Haiku 4.5 Grok 4 Fast
Win rate 53.0% 39.7%
Units -115.40 -121.09
ROI -36.4% -42.9%
Brier 0.254 0.280
CLV +0.1% +2.3%
Picks 1369 1443

Overlap

1136

picks on the same (event, market)

Agreement rate

32%

359 same pick · 777 different

Pending

385

contested calls still awaiting result

Contested calls

When they disagreed — most recent first

Try another matchup

GPT-5 Mini vs GPT-5 Mini GPT-4o Mini vs GPT-4o Mini Gemini 2.5 Flash vs Gemini 2.5 Flash Gemini 2.5 Flash-Lite vs Gemini 2.5 Flash-Lite DeepSeek V3 vs DeepSeek V3

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