ERNIE 5.5 Flash Preview vs Phi 4
ERNIE 5.5 Flash Preview leads the LLM Stats Score 52.3 to 4.8. Phi 4 is 5.6x cheaper per token.
Baidu · Microsoft · Updated for 2026
Which is better?
ERNIE 5.5 Flash Preview leads the overall LLM Stats Score 52.3 to 4.8, ranking #13 overall.
On price, Phi 4 is roughly 5.6x cheaper per token on a blended 3:1 input/output basis, which adds up quickly at production volume.
ERNIE 5.5 Flash Preview also accepts a larger context window (1,048,576 input tokens), making it the stronger choice for long documents and large codebases.
Based on current LLM Stats indexes, shared benchmarks, pricing, and model metadata for 2026.
Choose ERNIE 5.5 Flash Preview
- overall performance matters — it scores 52.3 and ranks #13 on LLM Stats
- your work emphasizes reasoning and coding — it leads those capability indexes
- you process long inputs — it offers a 1,048,576 token context window
- you want the most recent training data — it shipped Nov 2026
Choose Phi 4
- cost matters — it's about 5.6x cheaper per token
- you need open weights you can self-host or fine-tune
At a glance
The differences that matter most.
Individual benchmarks
13 reported for ERNIE 5.5 Flash Preview · 13 for Phi 4
ERNIE 5.5 Flash Preview and Phi 4don't have any common benchmark datasets to compare. They may have been evaluated on different testing suites.
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 4.0x more expensive than Phi 4 ($0.07/1M tokens).
For output processing, ERNIE 5.5 Flash Preview ($1.13/1M tokens) is 8.1x more expensive than Phi 4 ($0.14/1M tokens).
In conclusion, ERNIE 5.5 Flash Preview is more expensive than Phi 4.*
* Using a 3:1 ratio of input to output tokens
Model Size
Parameter count comparison
ERNIE 5.5 Flash Preview has 265.3B more parameters than Phi 4, making it 1804.8% larger.
Context Window
Maximum input and output token capacity
ERNIE 5.5 Flash Preview accepts 1,048,576 input tokens compared to Phi 4's 16,384 tokens. ERNIE 5.5 Flash Preview can generate longer responses up to 1,048,576 tokens, while Phi 4 is limited to 16,384 tokens.
License
Usage and distribution terms
ERNIE 5.5 Flash Preview is licensed under a proprietary license, while Phi 4 uses MIT.
License differences may affect how you can use these models in commercial or open-source projects.
Proprietary
Closed source
MIT
Open weights
Release Timeline
When each model was launched
ERNIE 5.5 Flash Preview was released on 2026-11-11, while Phi 4 was released on 2024-12-12.
ERNIE 5.5 Flash Preview is 23 months newer than Phi 4.
Nov 11, 2026
1 days ago
1.9yr newerDec 12, 2024
1.9 years ago
Knowledge Cutoff
When training data ends
Phi 4 has a documented knowledge cutoff of 2024-06-01, while ERNIE 5.5 Flash Preview's cutoff date is not specified.
We can confirm Phi 4's training data extends to 2024-06-01, but cannot make a direct comparison without ERNIE 5.5 Flash Preview's cutoff date.
—
Jun 2024
Provider Availability
ERNIE 5.5 Flash Preview is available from Baidu Qianfan. Phi 4 is available from DeepInfra.
ERNIE 5.5 Flash Preview
Phi 4
Outputs Comparison
Judge for yourself.
Run your own prompts against ERNIE 5.5 Flash Preview and Phi 4 side-by-side, then vote on the output you prefer.
FAQ
Common questions about ERNIE 5.5 Flash Preview vs Phi 4.