Compare Claude Sonnet 4.6 by Anthropic against Grok 3 Mini Beta by xAI, context windows of 1.0M vs 131K, tested across 13 shared challenges. Updated April 2026.
Claude Sonnet 4.6 and Grok 3 Mini Beta are both competitive models. Claude Sonnet 4.6 costs $3/M input tokens vs $0.4/M for Grok 3 Mini Beta. Context windows: 1000K vs 131K tokens. Compare their real outputs side by side below.
Claude Sonnet 4.6 is made by anthropic while Grok 3 Mini Beta is from xai. Claude Sonnet 4.6 has a 1000K token context window compared to Grok 3 Mini Beta's 131K. On pricing, Claude Sonnet 4.6 costs $3/M input tokens vs $0.4/M for Grok 3 Mini Beta.
No community votes yet. On paper, Claude Sonnet 4.6 has the edge — bigger model tier, newer, bigger context window.
Grok 3 Mini Beta is 19x cheaper per token — worth considering if cost matters.
Ask them anything yourself
Some models write identically. You are paying for the brand.
178 models fingerprinted across 32 writing dimensions. Free research.
185x
price gap between models that write identically
178
models
12
clone pairs
32
dimensions
279 AI models invented the same fake scientist.
We read every word. 250 models. 2.14 million words. This is what we found.

Compare Claude Sonnet 4.6 by Anthropic against Grok 3 Mini Beta by xAI, context windows of 1.0M vs 131K, tested across 13 shared challenges. Updated April 2026.
Claude Sonnet 4.6 and Grok 3 Mini Beta are both competitive models. Claude Sonnet 4.6 costs $3/M input tokens vs $0.4/M for Grok 3 Mini Beta. Context windows: 1000K vs 131K tokens. Compare their real outputs side by side below.
Claude Sonnet 4.6 is made by anthropic while Grok 3 Mini Beta is from xai. Claude Sonnet 4.6 has a 1000K token context window compared to Grok 3 Mini Beta's 131K. On pricing, Claude Sonnet 4.6 costs $3/M input tokens vs $0.4/M for Grok 3 Mini Beta.
No community votes yet. On paper, Claude Sonnet 4.6 has the edge — bigger model tier, newer, bigger context window.
Grok 3 Mini Beta is 19x cheaper per token — worth considering if cost matters.
Ask them anything yourself
Some models write identically. You are paying for the brand.
178 models fingerprinted across 32 writing dimensions. Free research.
185x
price gap between models that write identically
178
models
12
clone pairs
32
dimensions
279 AI models invented the same fake scientist.
We read every word. 250 models. 2.14 million words. This is what we found.
