ERNIE 5.5 Flash Preview vs Kimi K3
ERNIE 5.5 Flash Preview and Kimi K3 are closely matched at 52.3 and 50.9 on the LLM Stats Score. ERNIE 5.5 Flash Preview is 11.6x cheaper per token.
Baidu · Moonshot AI · Updated for 2026
Which is better?
ERNIE 5.5 Flash Preview and Kimi K3 are closely matched on the overall LLM Stats Score at 52.3 and 50.9.
In the 7 individual benchmarks reported for both models, ERNIE 5.5 Flash Preview wins 6; this is a narrower head-to-head signal than the composite indexes.
On price, ERNIE 5.5 Flash Preview is roughly 11.6x 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 6 of 7 exact shared results
- cost matters — it's about 11.6x cheaper per token
- you want the most recent training data — it shipped Nov 2026
Choose Kimi K3
- 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 · 32 for Kimi K3
ERNIE 5.5 Flash Preview outperforms in 6 benchmarks (APEX-Agents, AutomationBench, DeepSWE 1.1, MCP Atlas, OfficeQA Pro, SpreadsheetBench 2), while Kimi K3 is better at 1 benchmark (BrowseComp).
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 10.2x cheaper than Kimi K3 ($2.85/1M tokens).
For output processing, ERNIE 5.5 Flash Preview ($1.13/1M tokens) is 12.6x cheaper than Kimi K3 ($14.25/1M tokens).
In conclusion, Kimi K3 is more expensive than ERNIE 5.5 Flash Preview.*
* Using a 3:1 ratio of input to output tokens
Model Size
Parameter count comparison
Kimi K3 has 2520.0B more parameters than ERNIE 5.5 Flash Preview, making it 900.0% 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.
Input capabilities
Documented input modalities across available providers
Kimi K3 supports multimodal inputs, whereas ERNIE 5.5 Flash Preview does not.
Kimi K3 can handle both text and other forms of data like images, making it suitable for multimodal applications.
ERNIE 5.5 Flash Preview
Kimi K3
License
Usage and distribution terms
ERNIE 5.5 Flash Preview is licensed under a proprietary license, while Kimi K3 uses Kimi K3 License.
License differences may affect how you can use these models in commercial or open-source projects.
Proprietary
Closed source
Kimi K3 License
Open weights
Release Timeline
When each model was launched
ERNIE 5.5 Flash Preview was released on 2026-11-11, while Kimi K3 was released on 2026-07-16.
ERNIE 5.5 Flash Preview is 4 months newer than Kimi K3.
Nov 11, 2026
1 days ago
3mo newerJul 16, 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. Kimi K3 is available from DeepInfra, Fireworks, Moonshot AI, Novita, Together.
ERNIE 5.5 Flash Preview
Kimi K3
Outputs Comparison
Judge for yourself.
Run your own prompts against ERNIE 5.5 Flash Preview and Kimi K3 side-by-side, then vote on the output you prefer.
FAQ
Common questions about ERNIE 5.5 Flash Preview vs Kimi K3.