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GPT-4.1 vs Grok Code Fast 1

Head-to-head comparison across 1benchmark categories. Overall scores shown here use BenchLM's provisional ranking lane.

GPT-4.1

58

VS

Grok Code Fast 1

40

0 categoriesvs1 categories

Pick GPT-4.1 if you want the stronger benchmark profile. Grok Code Fast 1 only becomes the better choice if coding is the priority or you want the cheaper token bill.

Category Radar

Head-to-Head by Category

Category Breakdown

Coding

Grok Code Fast 1
54.6vs70.8

+16.2 difference

Operational Comparison

GPT-4.1

Grok Code Fast 1

Price (per 1M tokens)

$2 / $8

$0.2 / $1.5

Speed

108 t/s

172 t/s

Latency (TTFT)

1.02s

2.81s

Context Window

1M

256K

Quick Verdict

Pick GPT-4.1 if you want the stronger benchmark profile. Grok Code Fast 1 only becomes the better choice if coding is the priority or you want the cheaper token bill.

GPT-4.1 is clearly ahead on the provisional aggregate, 58 to 40. The gap is large enough that you do not need to squint at the spreadsheet to see the difference.

GPT-4.1 is also the more expensive model on tokens at $2.00 input / $8.00 output per 1M tokens, versus $0.20 input / $1.50 output per 1M tokens for Grok Code Fast 1. That is roughly 5.3x on output cost alone. GPT-4.1 gives you the larger context window at 1M, compared with 256K for Grok Code Fast 1.

Benchmark Deep Dive

Frequently Asked Questions (2)

Which is better, GPT-4.1 or Grok Code Fast 1?

GPT-4.1 is ahead on BenchLM's provisional leaderboard, 58 to 40. The biggest single separator in this matchup is SWE-bench Verified, where the scores are 54.6% and 70.8%.

Which is better for coding, GPT-4.1 or Grok Code Fast 1?

Grok Code Fast 1 has the edge for coding in this comparison, averaging 70.8 versus 54.6. Inside this category, SWE-bench Verified is the benchmark that creates the most daylight between them.

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Last updated: April 24, 2026

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