Model Comparison
ERNIE 4.5 vs GPT-5.6 TerraWhich is better in 2026?
GPT-5.6 Terra significantly outperforms across most benchmarks. ERNIE 4.5 is 4.3x cheaper per token.
Verdict: ERNIE 4.5 vs GPT-5.6 Terra — which is better?
ERNIE 4.5 (by Baidu) and GPT-5.6 Terra (by OpenAI) are two of the AI models people compare most. Here is how they stack up on benchmarks, price and capabilities, and which one to pick in 2026.
ERNIE 4.5 outperforms in 0 benchmarks, while GPT-5.6 Terra is better at 1 benchmark (GPQA). GPT-5.6 Terra significantly outperforms across most benchmarks.
On price, ERNIE 4.5 is roughly 4.3x cheaper per token on a blended 3:1 input/output basis, which adds up quickly at production volume.
GPT-5.6 Terra also accepts a larger context window (1,050,000 input tokens), making it the stronger choice for long documents and large codebases.
Choose ERNIE 4.5 if…
- cost matters — it's about 4.3x cheaper per token
Choose GPT-5.6 Terra if…
- you want the strongest raw capability — it leads on 1 of 1 shared benchmarks
- you process long inputs — it offers a 1,050,000 token context window
- you want the most recent training data — it shipped Jul 2026
Performance Benchmarks
Comparative analysis across standard metrics
ERNIE 4.5 outperforms in 0 benchmarks, while GPT-5.6 Terra is better at 1 benchmark (GPQA).
GPT-5.6 Terra significantly outperforms across most benchmarks.
Arena Performance
Human preference votes
Pricing Analysis
Price comparison per million tokens
For input processing, ERNIE 4.5 ($0.40/1M tokens) is 6.3x cheaper than GPT-5.6 Terra ($2.50/1M tokens).
For output processing, ERNIE 4.5 ($4.00/1M tokens) is 3.8x cheaper than GPT-5.6 Terra ($15.00/1M tokens).
In conclusion, GPT-5.6 Terra is more expensive than ERNIE 4.5.*
* Using a 3:1 ratio of input to output tokens
Context Window
Maximum input and output token capacity
GPT-5.6 Terra accepts 1,050,000 input tokens compared to ERNIE 4.5's 128,000 tokens. GPT-5.6 Terra can generate longer responses up to 128,000 tokens, while ERNIE 4.5 is limited to 65,536 tokens.
Input Capabilities
Supported data types and modalities
GPT-5.6 Terra supports multimodal inputs, whereas ERNIE 4.5 does not.
GPT-5.6 Terra can handle both text and other forms of data like images, making it suitable for multimodal applications.
ERNIE 4.5
GPT-5.6 Terra
License
Usage and distribution terms
Both models are licensed under proprietary licenses.
Both models have usage restrictions defined by their respective organizations.
Proprietary
Closed source
Proprietary
Closed source
Release Timeline
When each model was launched
ERNIE 4.5 was released on 2025-06-25, while GPT-5.6 Terra was released on 2026-07-09.
GPT-5.6 Terra is 13 months newer than ERNIE 4.5.
Jun 25, 2025
1.1 years ago
Jul 9, 2026
2 weeks ago
1.0yr newerKnowledge Cutoff
When training data ends
GPT-5.6 Terra has a documented knowledge cutoff of 2026-02-16, while ERNIE 4.5's cutoff date is not specified.
We can confirm GPT-5.6 Terra's training data extends to 2026-02-16, but cannot make a direct comparison without ERNIE 4.5's cutoff date.
—
Feb 2026
Provider Availability
ERNIE 4.5 is available from Novita. GPT-5.6 Terra is available from OpenAI.
ERNIE 4.5
GPT-5.6 Terra
Outputs Comparison
Key Takeaways
Detailed Comparison
Interactive Arena
Judge for yourself.
Run your own prompts against ERNIE 4.5 and GPT-5.6 Terra side-by-side, then vote on the output you prefer.
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FAQ
Common questions about ERNIE 4.5 vs GPT-5.6 Terra.