GPT-5.1-Codex-Mini vs Nova 2 Lite (Comparative Analysis)
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Comparative Analysis: GPT-5.1-Codex-Mini vs. Nova 2 Lite
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Overview
GPT-5.1-Codex-Mini was released 19 days before Nova 2 Lite.
 GPT-5.1-Codex-Mini |  Nova 2 Lite | |
|---|---|---|
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 | 1M tokens |
Output Token Limit Maximum output tokens this model can generate at once | 128K tokens | 65.5K tokens |
Release Date When this model first became publicly available | November 13, 2025 8 months ago November 13th, 2025 | December 2, 2025 7 months ago December 2nd, 2025 |
Capabilities & Features
Compare supported features, modalities, and advanced capabilities
GPT-5.1-Codex-Mini | Nova 2 Lite | |
|---|---|---|
Input Types Supported input formats | 🖼️Image📝Text | 📝Text🖼️Image🎬Video📁File |
Reasoning Controls Defaults and configurable reasoning effort | OptionalEffort: High, Medium, LowDefault: Medium | Optional |
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 Output✓Reasoning Mode✓Content Moderation |
Pricing
GPT-5.1-Codex-Mini is roughly 0.8x less expensive compared to Nova 2 Lite for input tokens and roughly 0.8x less expensive for output tokens.
| GPT-5.1-Codex-Mini | Nova 2 Lite | |
|---|---|---|
Input Token Cost Cost per million input tokens | $0.25 per million tokens | $0.30 per million tokens |
Output Token Cost Cost per million output tokens | $2.00 per million tokens | $2.50 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 | $0.03 per million tokens | Not specified |
Benchmarks
Compare relevant benchmarks between GPT-5.1-Codex-Mini and Nova 2 Lite.
| GPT-5.1-Codex-Mini | Nova 2 Lite | |
|---|---|---|
Intelligence Index Overall model quality across independent evaluations | Benchmark not available. | 18.2 (Artificial Analysis index; higher is better) |
Coding Index Programming performance across independent evaluations | Benchmark not available. | 23 (Artificial Analysis index; higher is better) |
Agentic Index Ability to complete multi-step agentic tasks | Benchmark not available. | 3.1 (Artificial Analysis index; higher is better) |
Best Design Arena Score Highest human-preference Elo score across design arenas | 1,149 Elo (#68 in Game Dev (43.4% win rate)) | Benchmark not available. |
At a Glance
Quick overview of what makes GPT-5.1-Codex-Mini and Nova 2 Lite 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 2 Lite by Amazon understands both text and images, analyzes video, can use external tools and APIs, offers advanced reasoning. It can handle standard conversations with its 1M token context window. Reasonably priced at $0.30/M input and $2.50/M output tokens. Includes built-in content moderation for safer outputs. Released December 2nd, 2025.Explore More Comparisons
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