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Claude 3.5 Sonnet vs Grok Code Fast 1

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

Claude 3.5 Sonnet

42

VS

Grok Code Fast 1

42

0 categoriesvs1 categories

Treat this as a split decision. Claude 3.5 Sonnet makes more sense if its workflow fits your team better; Grok Code Fast 1 is the better fit if coding is the priority or you need the larger 256K context window.

Category Radar

Head-to-Head by Category

Category Breakdown

Coding

Grok Code Fast 1
49vs70.8

+21.8 difference

Operational Comparison

Claude 3.5 Sonnet

Grok Code Fast 1

Price (per 1M tokens)

$null / $null

$null / $null

Speed

N/A

172 t/s

Latency (TTFT)

N/A

2.81s

Context Window

200K

256K

Quick Verdict

Treat this as a split decision. Claude 3.5 Sonnet makes more sense if its workflow fits your team better; Grok Code Fast 1 is the better fit if coding is the priority or you need the larger 256K context window.

Claude 3.5 Sonnet and Grok Code Fast 1 finish on the same provisional overall score, so this is less about a single winner and more about where the edge shows up. The provisional headline says tie; the benchmark table is where the real choice happens.

Grok Code Fast 1 gives you the larger context window at 256K, compared with 200K for Claude 3.5 Sonnet.

Benchmark Deep Dive

Frequently Asked Questions (2)

Which is better, Claude 3.5 Sonnet or Grok Code Fast 1?

Claude 3.5 Sonnet and Grok Code Fast 1 are tied on the provisional overall score, so the right pick depends on which category matters most for your use case.

Which is better for coding, Claude 3.5 Sonnet or Grok Code Fast 1?

Grok Code Fast 1 has the edge for coding in this comparison, averaging 70.8 versus 49. Inside this category, SWE-bench Verified is the benchmark that creates the most daylight between them.

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Last updated: April 21, 2026

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