Head-to-head · Updated May 2026
Claude Sonnet 4.6 wins for most use cases: stronger coding benchmarks, better writing quality, and a more proven production track record. Grok 4 offers advantages on context window (2M vs 1M tokens), price ($2 vs $3/1M input), and speed. If your workflow is heavy on large-document analysis or cost-sensitive at volume, Grok 4 is worth evaluating. For everyday coding and writing, Claude is the stronger default.
Grok 4
Strong coding value with 2M context — an underrated pick at this price.
Claude Sonnet 4.6
Best daily driver for coding and writing — the model most developers actually reach for.
Winner| Grok 4 | Claude Sonnet 4.6 | |
|---|---|---|
| Input cost / 1M tokens | $$2.00/1M | $$3.00/1M |
| Output cost / 1M tokens | $$6.00/1M | $$15.00/1M |
| Context window | 2M tokens | 1M tokens |
| Speed | Fast | Balanced |
| Price tier | Balanced |
Which model wins for each use case — and why.
Claude Sonnet 4.6 leads SWE-bench at 79.6% and is the default model in Cursor and Windsurf. Grok 4 handles code but trails Claude on the most rigorous coding benchmarks.
Claude Sonnet 4.6 consistently produces stronger prose — better tone, cleaner structure, and more natural voice. For writing-first workflows, Claude is the clear winner.
Grok 4 has a 2M token context window vs Claude Sonnet 4.6's 1M. For workflows that regularly exceed 500K tokens, Grok 4's larger context is a genuine advantage.
Grok 4 costs $2/1M input vs Claude Sonnet 4.6's $3/1M. For high-volume workloads, the 33% savings makes Grok 4 more cost-efficient at the premium tier.
Grok 4 is faster than Claude Sonnet 4.6 for most prompt types — a meaningful difference in latency-sensitive applications.
Pick Grok 4 if…
Pick Claude Sonnet 4.6 if…
Bottom line
For most workflows, Claude Sonnet 4.6 is the stronger choice.
The best all-around model for most developers and writers. Strong SWE-bench, excellent writing, 1M context — all at $3/1M input. Hard to beat as a daily driver.
Is Grok better than Claude?
Claude Sonnet 4.6 is stronger for coding and writing. Grok 4 is stronger on context window size and price efficiency. For everyday developer and content workflows, Claude is the better default.
Which is cheaper — Grok or Claude?
Grok 4 is cheaper at $2/1M input vs Claude Sonnet 4.6's $3/1M. Grok 4 also has cheaper output tokens at $6/1M vs Claude's $15/1M — a significant difference at high output volume.
Is Grok 4 good for coding?
Grok 4 handles coding competently but trails Claude Sonnet 4.6 on SWE-bench and isn't the default in any major AI code editor. For coding-first teams, Claude is the stronger choice.
Which has a bigger context window — Grok or Claude?
Grok 4 has a 2M token context window — twice Claude Sonnet 4.6's 1M. For very large document analysis, Grok 4 has a genuine capacity advantage.
Should I switch from Claude to Grok?
Only if context window size, output cost, or speed are your primary bottlenecks. For coding quality and writing, stick with Claude. For large-context analysis at lower cost, Grok 4 is worth testing.
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