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Anthropic

Claude Haiku 4.5

VS
xAI

Grok 4.3

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

Decision Recommendation

⚖️ Editorial Verdict: In our analysis, Claude Haiku 4.5 is the premium intelligence choice, scoring 39.5% higher on coding benchmarks. However, this accuracy premium comes with a cost overhead: Grok 4.3 is 1.3x cheaper to run and delivers 2.1x faster throughput. If you are building high-volume, simple chatbots or processing massive amounts of text where budget is critical, Grok 4.3 offers excellent cost savings. For agentic reasoning, code refactoring, or complex logical tasks, the accuracy premium of Claude Haiku 4.5 fully justifies the cost.

Model Specs

Claude Haiku 4.5

Benchmarks & Scores

Coding (swe-bench-pro)Winner (+)
39.5%
Reasoning (gpqa-diamond)
73%

Cost & Performance

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

Grok 4.3

Benchmarks & Scores

Coding (swe-bench-pro)
N/A
Reasoning (gpqa-diamond)Winner (+17.1%)
90.1%

Cost & Performance

Cost (per 1M tokens)1.3x cheaper
$1.56Input: $1.25 | Output: $2.50
Speed2.1x faster
209 tps
Context WindowLarger
1M tokens
Read our data collection methodology

Frequently Asked Questions

Grok 4.3 is cheaper than Claude Haiku 4.5. Grok 4.3 has a blended cost of $1.56/1M tokens, which is about 1.3x cheaper than Claude Haiku 4.5 at $2.00/1M tokens.

Grok 4.3 is faster than Claude Haiku 4.5. Grok 4.3 generates 209 tokens per second (tps) compared to Claude Haiku 4.5 which generates 98.5 tokens per second.

Claude Haiku 4.5 is better for coding tasks. It scores 39.5% on coding evaluations (swe-bench-pro) compared to Grok 4.3 which scores N/A.

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