OpenAI GPT-5.4 nano VS xAI Grok 4.5
⚖️Our Take
This matchup represents a clear tradeoff between peak intelligence and budget efficiency. Grok 4.5 is noticeably superior (holding a 11.3% average lead in benchmarks), but it carries a massive 6.5x price premium. Choose Grok 4.5 if you need top-tier reasoning or code debugging, but for high-volume pipelines, GPT-5.4 nano is the smarter business decision.
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Benchmarks & Scores
Coding (swe-bench-pro)
52.4%excellent at multi-file repositories, autonomous agents, and industrial codebases
Reasoning (gpqa-diamond)
82.8%graduate-level science QA
Cost & Performance
Cost (per 1M tokens)6.5x cheaper
$0.46Input: $0.20 | Output: $1.25Context Window
400k tokensBenchmarks & Scores
Coding (swe-bench-pro)Winner (+12.3%)
64.7%excellent at multi-file repositories, autonomous agents, and industrial codebases
Reasoning (gpqa-diamond)Winner (+10.2%)
93%graduate-level science QA
Cost & Performance
Cost (per 1M tokens)
$3.00Input: $2.00 | Output: $6.00Context WindowLarger
500k tokensFrequently Asked Questions about GPT-5.4 nano vs Grok 4.5 comparison
GPT-5.4 nano is cheaper than Grok 4.5. GPT-5.4 nano has a blended cost of $0.46/1M tokens, which is about 6.5x cheaper than Grok 4.5 at $3.00/1M tokens.
Grok 4.5 is better for coding tasks on this benchmark. It scores 64.7% on swe-bench-pro (excellent at multi-file repositories, autonomous agents, and industrial codebases) compared to GPT-5.4 nano which scores 52.4%.
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