Claude Opus 5.5 vs Nova 2 Lite
Claude Opus 5.5 leads the LLM Stats Score 60.3 to 25.4. Nova 2 Lite is 9.4x cheaper per token.
Anthropic · Amazon · Updated for 2026
Which is better?
Claude Opus 5.5 leads the overall LLM Stats Score 60.3 to 25.4, ranking #1 overall.
On price, Nova 2 Lite is roughly 9.4x cheaper per token on a blended 3:1 input/output basis, which adds up quickly at production volume.
Based on current LLM Stats indexes, shared benchmarks, pricing, and model metadata for 2026.
Choose Claude Opus 5.5
- overall performance matters — it scores 60.3 and ranks #1 on LLM Stats
- your work emphasizes reasoning and coding — it leads those capability indexes
- you want the most recent training data — it shipped Sep 2026
Choose Nova 2 Lite
- cost matters — it's about 9.4x cheaper per token
At a glance
The differences that matter most.
Capability indexes
Additional strengths measured across groups of related public benchmarks
Individual benchmarks
31 reported for Claude Opus 5.5 · 19 for Nova 2 Lite
Claude Opus 5.5 and Nova 2 Litedon't have any common benchmark datasets to compare. They may have been evaluated on different testing suites.
Human preference
Blind head-to-head votes and playground preference scores
Pricing Analysis
Price comparison per million tokens
For input processing, Claude Opus 5.5 ($4.00/1M tokens) is 13.3x more expensive than Nova 2 Lite ($0.30/1M tokens).
For output processing, Claude Opus 5.5 ($20.00/1M tokens) is 8.0x more expensive than Nova 2 Lite ($2.50/1M tokens).
In conclusion, Claude Opus 5.5 is more expensive than Nova 2 Lite.*
* Using a 3:1 ratio of input to output tokens
Context Window
Maximum input and output token capacity
Both models have the same input context window of 1,000,000 tokens. Claude Opus 5.5 can generate longer responses up to 128,000 tokens, while Nova 2 Lite is limited to 65,536 tokens.
Input capabilities
Documented input modalities across available providers
Both Claude Opus 5.5 and Nova 2 Lite support multimodal inputs.
They are both capable of processing various types of data, offering versatility in application.
Claude Opus 5.5
Nova 2 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 5.5 was released on 2026-09-22, while Nova 2 Lite was released on 2025-12-02.
Claude Opus 5.5 is 10 months newer than Nova 2 Lite.
Sep 22, 2026
1 weeks ago
9mo newerDec 2, 2025
10 months ago
Knowledge Cutoff
When training data ends
Claude Opus 5.5 has a documented knowledge cutoff of 2026-06-01, while Nova 2 Lite's cutoff date is not specified.
We can confirm Claude Opus 5.5's training data extends to 2026-06-01, but cannot make a direct comparison without Nova 2 Lite's cutoff date.
Jun 2026
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Provider Availability
Claude Opus 5.5 is available from Anthropic. Nova 2 Lite is available from Bedrock.
Claude Opus 5.5
Nova 2 Lite
Outputs Comparison
Judge for yourself.
Run your own prompts against Claude Opus 5.5 and Nova 2 Lite side-by-side, then vote on the output you prefer.
FAQ
Common questions about Claude Opus 5.5 vs Nova 2 Lite.