Nova 2 Lite vs GPT-5.3 Codex
Benchmark Performance
Available Benchmarks
Technical Differences
Side-by-Side Facts
| Field | Nova 2 Lite | GPT-5.3-Codex |
|---|---|---|
| Developer | Amazon | OpenAI |
| Family | Nova 2 | Gpt 5 3 |
| Model | Nova 2 Lite | GPT-5.3-Codex |
| Version | Nova 2 Lite | GPT-5.3-Codex |
| Lifecycle | active | active |
| Released | 2025-12-02 | Unknown |
| Knowledge cutoff | 2025-10-01 | 2025-08-31 |
| Input modalities | Text, Image, Video, Document | Text, Image |
| Output modalities | Text | Text |
| Context window | 1,000K | 400K |
| Total parameters | Unknown | Unknown |
| Active parameters | Unknown | Unknown |
| License | Unknown | Unknown |
| Open weights | No | No |
| API available | Yes | Yes |
| Self-hostable | No | No |
| Provider access | Amazon Bedrock (Standard) | Openai (Standard), Openrouter (Standard) |
| Capabilities | chat, generation, prompt-caching, tools, vision | chat, generation, reasoning, structured_outputs, tools |
14 comparable fields · 9 material differences · Pair passes the primary-source comparison gate
Nova 2 Lite Capabilities
GPT-5.3 Codex Capabilities
Internal Comparison Graph
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Primary Evidence
Sources and Freshness
Questions
Nova 2 Lite vs GPT-5.3 Codex FAQs
Is Nova 2 Lite or GPT-5.3 Codex better for coding?+
This comparison does not currently contain a protocol-matched coding benchmark for both Nova 2 Lite and GPT-5.3 Codex, so Model Markets cannot name a coding leader from pricing, context size, or capability labels alone.
Which is cheaper, Nova 2 Lite or GPT-5.3 Codex?+
Nova 2 Lite is $0.30 and GPT-5.3 Codex is $1.75 per million tokens, so Nova 2 Lite is cheaper on this metric. Nova 2 Lite is $2.50 and GPT-5.3 Codex is $14.00 per million tokens, so Nova 2 Lite is cheaper on this metric.
Which has a larger context window, Nova 2 Lite or GPT-5.3 Codex?+
Nova 2 Lite has the larger sourced context window. Nova 2 Lite supports 1,000K and GPT-5.3 Codex supports 400K.
Which performs better in benchmarks, Nova 2 Lite or GPT-5.3 Codex?+
There is no overall benchmark winner: At least two independently verified, protocol-matched benchmarks are required for an overall winner.
Can Nova 2 Lite or GPT-5.3 Codex be self-hosted?+
Both models have the same recorded self-hosting status: unsupported. Nova 2 Lite is not marked open weight; GPT-5.3 Codex is not marked open weight.
Can Nova 2 Lite and GPT-5.3 Codex understand images?+
Nova 2 Lite is documented with image input; GPT-5.3 Codex is documented with image input. This reflects supported input modalities, not vision quality.
Which can generate longer answers, Nova 2 Lite or GPT-5.3 Codex?+
GPT-5.3 Codex has the larger sourced maximum output: Nova 2 Lite supports 66K and GPT-5.3 Codex supports 128K output tokens.
Do Nova 2 Lite and GPT-5.3 Codex support reasoning and tool use?+
Nova 2 Lite: tool calling and image input. GPT-5.3 Codex: reasoning, tool calling, and image input. Feature support does not establish relative quality.
Which is available from more inference providers, Nova 2 Lite or GPT-5.3 Codex?+
Nova 2 Lite has 1 sourced provider route; GPT-5.3 Codex has 2, so GPT-5.3 Codex has broader tracked availability.
Which offers better value, Nova 2 Lite or GPT-5.3 Codex?+
There is no universal value winner. Compare the input and output prices above with the matched benchmark result for your workload: cheaper tokens can be offset by different quality, token usage, latency, or provider availability.