Claude 3 Opus vs Nova Premier 1.0
Compare Claude 3 Opus by Anthropic against Nova Premier 1.0 by Amazon, context windows of 200K vs 1.0M, tested across 11 shared challenges. Updated April 2026.
Which is better, Claude 3 Opus or Nova Premier 1.0?
Claude 3 Opus and Nova Premier 1.0 are both competitive models. Claude 3 Opus costs $15/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 3 Opus and Nova Premier 1.0
Claude 3 Opus is made by anthropic while Nova Premier 1.0 is from amazon. Claude 3 Opus has a 200K token context window compared to Nova Premier 1.0's 1000K. On pricing, Claude 3 Opus costs $15/M input tokens vs $2.5/M for Nova Premier 1.0.
No community votes yet. On paper, these are closely matched - try both with your actual task to see which fits your workflow.
Nova Premier 1.0 is 6.0x cheaper per token — worth considering if cost matters.
Style Comparison
Nova Premier 1.0 uses 427.0x more bold
vs
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.
