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Claude Sonnet 4.5 vs Nova 2 Lite
Comprehensive side-by-side LLM comparison
Claude Sonnet 4.5 leads with 19.2% higher average benchmark score. Nova 2 Lite offers 741.1K more tokens in context window than Claude Sonnet 4.5. Nova 2 Lite is $17.60 cheaper per million tokens. Claude Sonnet 4.5 is available on 3 providers. Overall, Claude Sonnet 4.5 is the stronger choice for coding tasks.
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Anthropic
Claude Sonnet 4.5, released by Anthropic in September 2025, is a large language model from the Claude 4.5 family that balances response quality and efficiency for coding, agentic tasks, and analytical work. It features a 200K token context window (extendable to 1M tokens in beta), 64K maximum output tokens, native image understanding, and extended thinking support. Sonnet 4.5 targets use cases that require a balance of throughput and reasoning depth, including code generation, data analysis, and multi-step agentic pipelines.
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Amazon
Amazon Nova 2 Lite, released by Amazon Web Services on December 2, 2025, is a fast, cost-efficient reasoning model available on Amazon Bedrock with a 1M token context window enabling extended document, video, and image analysis. It features three extended thinking intensity levels, built-in code interpreter, web grounding tools, and native support for text, image, video, and document input. Nova 2 Lite targets cost-sensitive agentic applications, document analysis pipelines, and real-time workloads requiring multimodal reasoning.
2 months newer
Claude Sonnet 4.5
Anthropic
2025-09-29
Nova 2 Lite
Amazon
2025-12-02
Pricing Comparison
Cost per million tokens (USD)
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Claude Sonnet 4.5
Input:$3.00
Output:$15.00
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Nova 2 Lite
Input:$0.08
Output:$0.32($17.60 cheaper)
Performance Metrics
Context window and performance specifications
Average performance across 1 common benchmarks
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Claude Sonnet 4.5
Average Score:43.8%(+19.2%)
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Nova 2 Lite
Average Score:24.6%
Performance comparison across key benchmark categories
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Claude Sonnet 4.5
Tool Use43.8%(+19.2%)
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Nova 2 Lite
Tool Use24.6%
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Knowledge Cutoff
Training data recency comparison
Claude Sonnet 4.5
2025-01
More recent knowledge cutoff means awareness of newer technologies and frameworks
Provider Availability & Performance
Available providers and their performance metrics
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Claude Sonnet 4.5
3 providers
Anthropic
AWS Bedrock
Google Cloud Vertex AI
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Nova 2 Lite
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Claude Sonnet 4.5
Avg Score:43.8%(+19.2%)
Providers:3
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Nova 2 Lite
Avg Score:24.6%
Providers:1