Model Comparison
Claude Opus 4.5 vs Nova LiteWhich is better in 2026?
Claude Opus 4.5 significantly outperforms across most benchmarks. Nova Lite is 95.2x cheaper per token.
Verdict: Claude Opus 4.5 vs Nova Lite — which is better?
Claude Opus 4.5 (by Anthropic) and Nova Lite (by Amazon) are two of the AI models people compare most. Here is how they stack up on benchmarks, price and capabilities, and which one to pick in 2026.
Claude Opus 4.5 outperforms in 1 benchmarks (GPQA), while Nova Lite is better at 0 benchmarks. Claude Opus 4.5 significantly outperforms across most benchmarks.
On price, Nova Lite is roughly 95.2x cheaper per token on a blended 3:1 input/output basis, which adds up quickly at production volume.
Nova Lite also accepts a larger context window (300,000 input tokens), making it the stronger choice for long documents and large codebases.
Choose Claude Opus 4.5 if…
- you want the strongest raw capability — it leads on 1 of 1 shared benchmarks
- you want the most recent training data — it shipped Nov 2025
Choose Nova Lite if…
- cost matters — it's about 95.2x cheaper per token
- you process long inputs — it offers a 300,000 token context window
Performance Benchmarks
Comparative analysis across standard metrics
Claude Opus 4.5 outperforms in 1 benchmarks (GPQA), while Nova Lite is better at 0 benchmarks.
Claude Opus 4.5 significantly outperforms across most benchmarks.
Arena Performance
Human preference votes
Pricing Analysis
Price comparison per million tokens
For input processing, Claude Opus 4.5 ($5.00/1M tokens) is 83.3x more expensive than Nova Lite ($0.06/1M tokens).
For output processing, Claude Opus 4.5 ($25.00/1M tokens) is 104.2x more expensive than Nova Lite ($0.24/1M tokens).
In conclusion, Claude Opus 4.5 is more expensive than Nova Lite.*
* Using a 3:1 ratio of input to output tokens
Context Window
Maximum input and output token capacity
Nova Lite accepts 300,000 input tokens compared to Claude Opus 4.5's 200,000 tokens. Claude Opus 4.5 can generate longer responses up to 64,000 tokens, while Nova Lite is limited to 2,048 tokens.
Input Capabilities
Supported data types and modalities
Both Claude Opus 4.5 and Nova Lite support multimodal inputs.
They are both capable of processing various types of data, offering versatility in application.
Claude Opus 4.5
Nova Lite
License
Usage and distribution terms
Both models are licensed under proprietary licenses.
Both models have usage restrictions defined by their respective organizations.
Proprietary
Closed source
Proprietary
Closed source
Release Timeline
When each model was launched
Claude Opus 4.5 was released on 2025-11-24, while Nova Lite was released on 2024-11-20.
Claude Opus 4.5 is 12 months newer than Nova Lite.
Nov 24, 2025
6 months ago
1.0yr newerNov 20, 2024
1.5 years ago
Knowledge Cutoff
When training data ends
Claude Opus 4.5 has a documented knowledge cutoff of 2025-03-31, while Nova Lite's cutoff date is not specified.
We can confirm Claude Opus 4.5's training data extends to 2025-03-31, but cannot make a direct comparison without Nova Lite's cutoff date.
Mar 2025
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Provider Availability
Claude Opus 4.5 is available from Anthropic. Nova Lite is available from Bedrock.
Claude Opus 4.5
Nova Lite
Outputs Comparison
Key Takeaways
Claude Opus 4.5
View detailsAnthropic
Nova Lite
View detailsAmazon
Detailed Comparison
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FAQ
Common questions about Claude Opus 4.5 vs Nova Lite.