Auto-generated comparison

Amazon: Nova 2 Lite vs OpenAI: GPT-5.1-Codex-Mini

OpenAI: GPT-5.1-Codex-Mini wins on 2 of 6 axes — pricing and capability skew in its favour for most workloads.

Side-by-side comparison

CapabilityAmazon: Nova 2 LiteOpenAI: GPT-5.1-Codex-MiniWinner
Context window
Maximum number of input tokens the model can attend to in a single request.
1M400K🏆 Amazon: Nova 2 Lite
Input price (per 1M)
Cost per million input tokens billed by the provider.
$0.30$0.25🏆 OpenAI: GPT-5.1-Codex-Mini
Output price (per 1M)
Cost per million output tokens billed by the provider.
$2.50$2.00🏆 OpenAI: GPT-5.1-Codex-Mini
Tool / function calling
First-class support for emitting structured tool calls.
YesYesTie
Vision input
Accepts image inputs alongside text.
YesYesTie
Reasoning mode
Internal chain-of-thought / extended-thinking support.
YesYesTie

Frequently asked questions

Is Amazon: Nova 2 Lite better than OpenAI: GPT-5.1-Codex-Mini?

OpenAI: GPT-5.1-Codex-Mini wins on 2 of 6 axes — pricing and capability skew in its favour for most workloads.

What's the price difference between Amazon: Nova 2 Lite and OpenAI: GPT-5.1-Codex-Mini?

Input: $0.30 vs $0.25 per 1M tokens. Output: $2.50 vs $2.00 per 1M tokens.

What context windows do Amazon: Nova 2 Lite and OpenAI: GPT-5.1-Codex-Mini support?

Amazon: Nova 2 Lite supports up to 1M tokens. OpenAI: GPT-5.1-Codex-Mini supports up to 400K tokens.

Do both Amazon: Nova 2 Lite and OpenAI: GPT-5.1-Codex-Mini support tool calling?

Amazon: Nova 2 Lite: yes. OpenAI: GPT-5.1-Codex-Mini: yes.

Compare Amazon: Nova 2 Lite with other models

Compare OpenAI: GPT-5.1-Codex-Mini with other models