Nova Premier 1.0 vs Claude Opus 4
Compare Nova Premier 1.0 by Amazon against Claude Opus 4 by Anthropic, context windows of 1.0M vs 200K, tested across 50 shared challenges. Updated April 2026.
Which is better, Nova Premier 1.0 or Claude Opus 4?
Nova Premier 1.0 and Claude Opus 4 are both competitive models. Nova Premier 1.0 costs $2.5/M input tokens vs $15/M for Claude Opus 4. Context windows: 1000K vs 200K tokens. Compare their real outputs side by side below.
Key Differences Between Nova Premier 1.0 and Claude Opus 4
Nova Premier 1.0 is made by amazon while Claude Opus 4 is from anthropic. Nova Premier 1.0 has a 1000K token context window compared to Claude Opus 4's 200K. On pricing, Nova Premier 1.0 costs $2.5/M input tokens vs $15/M for Claude Opus 4.
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
Claude Opus 4 uses 11.2x more emoji
vsAsk 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.
