Google Gemini 2.5 Pro VS xAI Grok 4.5
👑Our Take
These models use different coding benchmarks — with Gemini 2.5 Pro evaluated on swe-bench-verified (good at editing existing code, cross-file updates, and multi-component systems) and Grok 4.5 on swe-bench-pro (excellent at multi-file repositories, autonomous agents, and industrial codebases) — but Grok 4.5 holds a clear reasoning advantage (+8.6% on GPQA Diamond) while being cheaper or equal in cost to Gemini 2.5 Pro. We recommend going with Grok 4.5 for superior overall value and reasoning capabilities.
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Benchmarks & Scores
Coding (swe-bench-verified)
59.6%good at editing existing code, cross-file updates, and multi-component systems
Reasoning (gpqa-diamond)
84.4%graduate-level science QA
Cost & Performance
Cost (per 1M tokens)
$3.44Input: $1.25 | Output: $10.00Context WindowLarger
1.05M tokensBenchmarks & Scores
Coding (swe-bench-pro)
64.7%excellent at multi-file repositories, autonomous agents, and industrial codebases
Reasoning (gpqa-diamond)Winner (+8.6%)
93%graduate-level science QA
Cost & Performance
Cost (per 1M tokens)1.1x cheaper
$3.00Input: $2.00 | Output: $6.00Context Window
500k tokensFrequently Asked Questions about Gemini 2.5 Pro vs Grok 4.5 comparison
Grok 4.5 is cheaper than Gemini 2.5 Pro. Grok 4.5 has a blended cost of $3.00/1M tokens, which is about 1.1x cheaper than Gemini 2.5 Pro at $3.44/1M tokens.
For coding tasks, Gemini 2.5 Pro scores 59.6% on swe-bench-verified (good at editing existing code, cross-file updates, and multi-component systems), while Grok 4.5 scores 64.7% on swe-bench-pro (excellent at multi-file repositories, autonomous agents, and industrial codebases).
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