GPT-5.1-Codex-Mini vs Nova Pro 1.0 (Comparative Analysis)
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Comparative Analysis: GPT-5.1-Codex-Mini vs. Nova Pro 1.0
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Overview
Nova Pro 1.0 was released 11 months before GPT-5.1-Codex-Mini.
 GPT-5.1-Codex-Mini |  Nova Pro 1.0 | |
|---|---|---|
Model Provider The organization behind this AI's development | OpenAI | Amazon |
Input Context Window Maximum input tokens this model can process at once | 400K tokens | 300K tokens |
Output Token Limit Maximum output tokens this model can generate at once | 128K tokens | 5.1K tokens |
Release Date When this model first became publicly available | November 13, 2025 8 months ago November 13th, 2025 | December 5, 2024 1 year ago December 5th, 2024 |
Knowledge Cutoff Latest training-data date reported by the provider | Not reported | October 31, 2024 |
Capabilities & Features
Compare supported features, modalities, and advanced capabilities
GPT-5.1-Codex-Mini | Nova Pro 1.0 | |
|---|---|---|
Input Types Supported input formats | 🖼️Image📝Text | 📝Text🖼️Image |
Reasoning Controls Defaults and configurable reasoning effort | OptionalEffort: High, Medium, LowDefault: Medium | Not reported |
Output Types Supported output formats | 📝Text | 📝Text |
Tokenizer Text encoding system | GPT | Nova |
Key Features Advanced capabilities | ✓Function Calling✓Structured Output✓Reasoning ModeContent Moderation | ✓Function CallingStructured OutputReasoning Mode✓Content Moderation |
Pricing
GPT-5.1-Codex-Mini is roughly 0.3x less expensive compared to Nova Pro 1.0 for input tokens and roughly 0.6x less expensive for output tokens.
| GPT-5.1-Codex-Mini | Nova Pro 1.0 | |
|---|---|---|
Input Token Cost Cost per million input tokens | $0.25 per million tokens | $0.80 per million tokens |
Output Token Cost Cost per million output tokens | $2.00 per million tokens | $3.20 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 | $0.03 per million tokens | Not specified |
Benchmarks
Compare relevant benchmarks between GPT-5.1-Codex-Mini and Nova Pro 1.0.
| GPT-5.1-Codex-Mini | Nova Pro 1.0 | |
|---|---|---|
Best Design Arena Score Highest human-preference Elo score across design arenas | 1,149 Elo (#68 in Game Dev (43.4% win rate)) | 821 Elo (#119 in Website (21.4% win rate)) |
At a Glance
Quick overview of what makes GPT-5.1-Codex-Mini and Nova Pro 1.0 unique.
GPT-5.1-Codex-Mini by OpenAI understands both text and images, can use external tools and APIs, offers advanced reasoning, generates structured data. It can handle standard conversations with its 400K token context window. Reasonably priced at $0.25/M input and $2.00/M output tokens. Released November 13th, 2025.Nova Pro 1.0 by Amazon understands both text and images, can use external tools and APIs. It can handle standard conversations with its 300K token context window. Reasonably priced at $0.80/M input and $3.20/M output tokens. Includes built-in content moderation for safer outputs. Released December 5th, 2024.Explore More Comparisons
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Best models for coding and development
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Models optimized for creative writing
📢Marketing
Content creation and marketing tasks
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Technical analysis and explanations
🔬Science
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