ERNIE 5.5 Flash Preview vs GLM-5.3
ERNIE 5.5 Flash Preview and GLM-5.3 are closely matched at 52.3 and 49.9 on the LLM Stats Score. ERNIE 5.5 Flash Preview is 3.9x cheaper per token.
Baidu · Zhipu AI · Updated for 2026
Which is better?
ERNIE 5.5 Flash Preview and GLM-5.3 are closely matched on the overall LLM Stats Score at 52.3 and 49.9.
In the 5 individual benchmarks reported for both models, ERNIE 5.5 Flash Preview wins 5; this is a narrower head-to-head signal than the composite indexes.
On price, ERNIE 5.5 Flash Preview is roughly 3.9x cheaper per token on a blended 3:1 input/output basis, which adds up quickly at production volume.
Based on current LLM Stats indexes, shared benchmarks, pricing, and model metadata for 2026.
Choose ERNIE 5.5 Flash Preview
- you value its reported benchmark strengths — it wins 5 of 5 exact shared results
- cost matters — it's about 3.9x cheaper per token
- you want the most recent training data — it shipped Nov 2026
Choose GLM-5.3
- you need open weights you can self-host or fine-tune
At a glance
The differences that matter most.
Capability indexes
Additional strengths measured across groups of related public benchmarks
Individual benchmarks
13 reported for ERNIE 5.5 Flash Preview · 17 for GLM-5.3
ERNIE 5.5 Flash Preview outperforms in 5 benchmarks (Agents' Last Exam, AutomationBench, DeepSWE 1.1, NL2Repo, Terminal-Bench 4.0), while GLM-5.3 is better at 0 benchmarks.
ERNIE 5.5 Flash Preview significantly outperforms across most benchmarks.
Human preference
Blind head-to-head votes and playground preference scores
Pricing Analysis
Price comparison per million tokens
For input processing, ERNIE 5.5 Flash Preview ($0.28/1M tokens) is 4.3x cheaper than GLM-5.3 ($1.20/1M tokens).
For output processing, ERNIE 5.5 Flash Preview ($1.13/1M tokens) is 3.5x cheaper than GLM-5.3 ($4.00/1M tokens).
In conclusion, GLM-5.3 is more expensive than ERNIE 5.5 Flash Preview.*
* Using a 3:1 ratio of input to output tokens
Model Size
Parameter count comparison
GLM-5.3 has 473.0B more parameters than ERNIE 5.5 Flash Preview, making it 168.9% larger.
Context Window
Maximum input and output token capacity
Both models have the same input context window of 1,048,576 tokens. Both models can generate responses up to 1,048,576 tokens.
License
Usage and distribution terms
ERNIE 5.5 Flash Preview is licensed under a proprietary license, while GLM-5.3 uses GLM-5.3 License.
License differences may affect how you can use these models in commercial or open-source projects.
Proprietary
Closed source
GLM-5.3 License
Open weights
Release Timeline
When each model was launched
ERNIE 5.5 Flash Preview was released on 2026-11-11, while GLM-5.3 was released on 2026-08-14.
ERNIE 5.5 Flash Preview is 3 months newer than GLM-5.3.
Nov 11, 2026
2 days ago
2mo newerAug 14, 2026
3 months ago
Knowledge Cutoff
When training data ends
Neither model specifies a knowledge cutoff date.
Unable to compare the recency of their training data.
Provider Availability
ERNIE 5.5 Flash Preview is available from Baidu Qianfan. GLM-5.3 is available from DeepInfra, FriendliAI, Novita, ZAI.
ERNIE 5.5 Flash Preview
GLM-5.3
Outputs Comparison
Judge for yourself.
Run your own prompts against ERNIE 5.5 Flash Preview and GLM-5.3 side-by-side, then vote on the output you prefer.
FAQ
Common questions about ERNIE 5.5 Flash Preview vs GLM-5.3.