ERNIE 4.5 vs GPT-5.3 Chat Comparison

Comparing ERNIE 4.5 and GPT-5.3 Chat across benchmarks, pricing, and capabilities.

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Performance Benchmarks

Comparative analysis across standard metrics

No common benchmarks found

ERNIE 4.5 and GPT-5.3 Chat 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

ERNIE 4.5 costs less

For input processing, ERNIE 4.5 ($0.40/1M tokens) is 4.4x cheaper than GPT-5.3 Chat ($1.75/1M tokens).

For output processing, ERNIE 4.5 ($4.00/1M tokens) is 3.5x cheaper than GPT-5.3 Chat ($14.00/1M tokens).

In conclusion, GPT-5.3 Chat is more expensive than ERNIE 4.5.*

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

Lowest available price from all providers

Tue Mar 17 2026 • llm-stats.com

ERNIE 4.5

Input tokens$0.40

Output tokens$4.00

Best providerNovita

GPT-5.3 Chat

Input tokens$1.75

Output tokens$14.00

Best providerOpenAI

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Context Window

Maximum input and output token capacity

Both models have the same input context window of 128,000 tokens. ERNIE 4.5 can generate longer responses up to 65,536 tokens, while GPT-5.3 Chat is limited to 16,384 tokens.

ERNIE 4.5

Input128,000 tokens

Output65,536 tokens

GPT-5.3 Chat

Input128,000 tokens

Output16,384 tokens

Tue Mar 17 2026 • llm-stats.com

Input Capabilities

Supported data types and modalities

GPT-5.3 Chat supports multimodal inputs, whereas ERNIE 4.5 does not.

GPT-5.3 Chat can handle both text and other forms of data like images, making it suitable for multimodal applications.

ERNIE 4.5

Text

Images

Audio

Video

GPT-5.3 Chat

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.

ERNIE 4.5

Proprietary

Closed source

GPT-5.3 Chat

Proprietary

Closed source

Release Timeline

When each model was launched

ERNIE 4.5 was released on 2025-06-25, while GPT-5.3 Chat was released on 2026-03-04.

GPT-5.3 Chat is 8 months newer than ERNIE 4.5.

ERNIE 4.5

Jun 25, 2025

8 months ago

GPT-5.3 Chat

Mar 4, 2026

1 weeks ago

8mo newer

Knowledge Cutoff

When training data ends

GPT-5.3 Chat has a documented knowledge cutoff of 2025-08-31, while ERNIE 4.5'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 ERNIE 4.5's cutoff date.

ERNIE 4.5

—

GPT-5.3 Chat

Aug 2025

Provider Availability

ERNIE 4.5 is available from Novita. GPT-5.3 Chat is available from OpenAI. The availability of providers can affect quality of the model and reliability.