GPT-5.3 Chat vs Nova Lite Comparison

Comparing GPT-5.3 Chat and Nova Lite across benchmarks, pricing, and capabilities.

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Performance Benchmarks

Comparative analysis across standard metrics

No common benchmarks found

GPT-5.3 Chat and Nova Lite don't have any common benchmark datasets to compare. They may have been evaluated on different testing suites.

Arena Performance

Human preference votes

Pricing Analysis

Price comparison per million tokens

Nova Lite costs less

For input processing, GPT-5.3 Chat ($1.75/1M tokens) is 29.2x more expensive than Nova Lite ($0.06/1M tokens).

For output processing, GPT-5.3 Chat ($14.00/1M tokens) is 58.3x more expensive than Nova Lite ($0.24/1M tokens).

In conclusion, GPT-5.3 Chat is more expensive than Nova Lite.*

* Using a 3:1 ratio of input to output tokens

Lowest available price from all providers

Tue Mar 17 2026 • llm-stats.com

GPT-5.3 Chat

Input tokens$1.75

Output tokens$14.00

Best providerOpenAI

Nova Lite

Input tokens$0.06

Output tokens$0.24

Best providerAWS Bedrock

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Context Window

Maximum input and output token capacity

Nova Lite accepts 300,000 input tokens compared to GPT-5.3 Chat's 128,000 tokens. GPT-5.3 Chat can generate longer responses up to 16,384 tokens, while Nova Lite is limited to 2,048 tokens.

GPT-5.3 Chat

Input128,000 tokens

Output16,384 tokens

Nova Lite

Input300,000 tokens

Output2,048 tokens

Tue Mar 17 2026 • llm-stats.com

Input Capabilities

Supported data types and modalities

Both GPT-5.3 Chat and Nova Lite support multimodal inputs.

They are both capable of processing various types of data, offering versatility in application.

GPT-5.3 Chat

Text

Images

Audio

Video

Nova Lite

Text

Images

Audio

Video

License

Usage and distribution terms

Both models are licensed under proprietary licenses.

Both models have usage restrictions defined by their respective organizations.

GPT-5.3 Chat

Proprietary

Closed source

Nova Lite

Proprietary

Closed source

Release Timeline

When each model was launched

GPT-5.3 Chat was released on 2026-03-04, while Nova Lite was released on 2024-11-20.

GPT-5.3 Chat is 16 months newer than Nova Lite.

GPT-5.3 Chat

Mar 4, 2026

1 weeks ago

1.3yr newer

Nova Lite

Nov 20, 2024

1.3 years ago

Knowledge Cutoff

When training data ends

GPT-5.3 Chat has a documented knowledge cutoff of 2025-08-31, while Nova Lite's cutoff date is not specified.

We can confirm GPT-5.3 Chat's training data extends to 2025-08-31, but cannot make a direct comparison without Nova Lite's cutoff date.

GPT-5.3 Chat

Aug 2025

Nova Lite

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Provider Availability

GPT-5.3 Chat is available from OpenAI. Nova Lite is available from Bedrock. The availability of providers can affect quality of the model and reliability.