Claude Haiku 4.5 vs Nova Premier 1.0
Compare Claude Haiku 4.5 by Anthropic against Nova Premier 1.0 by Amazon, in 4 community votes, claude haiku 4.5 wins 75% of head-to-head duels, context windows of 200K vs 1.0M, tested across 51 shared challenges. Updated April 2026.
Which is better, Claude Haiku 4.5 or Nova Premier 1.0?
Claude Haiku 4.5 is the better choice overall, winning 75% of 4 blind community votes on Rival. Claude Haiku 4.5 costs $1/M input tokens vs $2.5/M for Nova Premier 1.0. Context windows: 200K vs 1000K tokens. Compare their real outputs side by side below.
Key Differences Between Claude Haiku 4.5 and Nova Premier 1.0
Claude Haiku 4.5 is made by anthropic while Nova Premier 1.0 is from amazon. Claude Haiku 4.5 has a 200K token context window compared to Nova Premier 1.0's 1000K. On pricing, Claude Haiku 4.5 costs $1/M input tokens vs $2.5/M for Nova Premier 1.0. In community voting, In 4 community votes, Claude Haiku 4.5 wins 75% of head-to-head duels.
In 4 community votes, Claude Haiku 4.5 wins 75% of head-to-head duels. Claude Haiku 4.5 has the edge overall, but performance varies by task type. Based on blind community voting from the Rival open dataset of 4+ human preference judgments for this pair.
Pick Claude Haiku 4.5. In 4 blind votes, Claude Haiku 4.5 wins 75% of the time. That's not luck.
Style Comparison
Claude Haiku 4.5 uses 20.4x more emoji
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