Claude Opus 4.1 vs Nova Premier 1.0 (Comparative Analysis)
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Comparative Analysis: Claude Opus 4.1 vs. Nova Premier 1.0
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Overview
Claude Opus 4.1 was released 2 months before Nova Premier 1.0.
 Claude Opus 4.1 |  Nova Premier 1.0 | |
|---|---|---|
Model Provider The organization behind this AI's development | Anthropic | Amazon |
Input Context Window Maximum input tokens this model can process at once | 200K tokens | 1M tokens |
Output Token Limit Maximum output tokens this model can generate at once | 32K tokens | 32K tokens |
Release Date When this model first became publicly available | August 5, 2025 11 months ago August 5th, 2025 | October 31, 2025 9 months ago October 31st, 2025 |
Knowledge Cutoff Latest training-data date reported by the provider | January 31, 2025 | Not reported |
Capabilities & Features
Compare supported features, modalities, and advanced capabilities
Claude Opus 4.1 | Nova Premier 1.0 | |
|---|---|---|
Input Types Supported input formats | 🖼️Image📝Text📁File | 📝Text🖼️Image |
Reasoning Controls Defaults and configurable reasoning effort | Optional | Not reported |
Output Types Supported output formats | 📝Text | 📝Text |
Tokenizer Text encoding system | Claude | Nova |
Key Features Advanced capabilities | ✓Function Calling✓Structured Output✓Reasoning Mode✓Content Moderation | ✓Function CallingStructured OutputReasoning Mode✓Content Moderation |
Pricing
Claude Opus 4.1 is roughly 6.0x more expensive compared to Nova Premier 1.0 for input tokens and roughly 6.0x more expensive for output tokens.
| Claude Opus 4.1 | Nova Premier 1.0 | |
|---|---|---|
Input Token Cost Cost per million input tokens | $15.00 per million tokens | $2.50 per million tokens |
Output Token Cost Cost per million output tokens | $75.00 per million tokens | $12.50 per million tokens |
Web Search Cost Additional cost for each web search operation | $0.01 per search | Not specified |
Cache Read Cost Cost to reuse cached input tokens | $1.50 per million tokens | $0.63 per million tokens |
Cache Write Cost Cost to write input tokens to the cache | $18.75 per million tokens | Not specified |
1-Hour Cache Write Cost Cost to cache input tokens for one hour | $30.00 per million tokens | Not specified |
Benchmarks
Compare relevant benchmarks between Claude Opus 4.1 and Nova Premier 1.0.
| Claude Opus 4.1 | Nova Premier 1.0 | |
|---|---|---|
Best Design Arena Score Highest human-preference Elo score across design arenas | 1,228 Elo (#40 in Game Dev (58.5% win rate)) | 860 Elo (#116 in Website (26.2% win rate)) |
At a Glance
Quick overview of what makes Claude Opus 4.1 and Nova Premier 1.0 unique.
Claude Opus 4.1 by Anthropic understands both text and images, can use external tools and APIs, offers advanced reasoning, generates structured data. It can handle standard conversations with its 200K token context window. Premium pricing at $15.00/M input and $75.00/M output tokens. Includes built-in content moderation for safer outputs. Released August 5th, 2025.Nova Premier 1.0 by Amazon understands both text and images, can use external tools and APIs. It can handle standard conversations with its 1M token context window. Reasonably priced at $2.50/M input and $12.50/M output tokens. Includes built-in content moderation for safer outputs. Released October 31st, 2025.Explore More Comparisons
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Compare Nova Premier 1.0 with:
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Best models for coding and development
🎨Creative & Roleplay
Models optimized for creative writing
📢Marketing
Content creation and marketing tasks
💻Technology
Technical analysis and explanations
🔬Science
Scientific research and analysis
🌐Translation
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