Claude Sonnet 4.5 vs Llama 4 Maverick
Compare Claude Sonnet 4.5 by Anthropic against Llama 4 Maverick by Meta AI, in 2 community votes, claude sonnet 4.5 wins 100% of head-to-head duels, context windows of 200K vs 1.0M, tested across 42 shared challenges. Updated April 2026.
Which is better, Claude Sonnet 4.5 or Llama 4 Maverick?
Claude Sonnet 4.5 is the better choice overall, winning 100% of 2 blind community votes on Rival. Claude Sonnet 4.5 costs $3/M input tokens vs $1.5/M for Llama 4 Maverick. Context windows: 200K vs 1000K tokens. Compare their real outputs side by side below.
Key Differences Between Claude Sonnet 4.5 and Llama 4 Maverick
Claude Sonnet 4.5 is made by anthropic while Llama 4 Maverick is from meta. Claude Sonnet 4.5 has a 200K token context window compared to Llama 4 Maverick's 1000K. On pricing, Claude Sonnet 4.5 costs $3/M input tokens vs $1.5/M for Llama 4 Maverick. In community voting, In 2 community votes, Claude Sonnet 4.5 wins 100% of head-to-head duels.
In 2 community votes, Claude Sonnet 4.5 wins 100% of head-to-head duels. Based on blind community voting from the Rival open dataset of 2+ human preference judgments for this pair.
Pick Claude Sonnet 4.5. In 2 blind votes, Claude Sonnet 4.5 wins 100% of the time. That's not luck.
Llama 4 Maverick is 6.0x cheaper per token — worth considering if cost matters.
Style Comparison
Claude Sonnet 4.5 uses 45.2x more emoji
Ask them anything yourself
279 AI models invented the same fake scientist.
We read every word. 250 models. 2.14 million words. This is what we found.








