ERNIE 5.5 Flash Preview vs Jamba 1.5 Large
ERNIE 5.5 Flash Preview leads the LLM Stats Score 52.3 to 0.4. ERNIE 5.5 Flash Preview is 7.1x cheaper per token.
Baidu · AI21 Labs · Updated for 2026
Which is better?
ERNIE 5.5 Flash Preview leads the overall LLM Stats Score 52.3 to 0.4, ranking #13 overall.
On price, ERNIE 5.5 Flash Preview is roughly 7.1x 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 — it leads those capability indexes
- cost matters — it's about 7.1x cheaper per token
- 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 Jamba 1.5 Large
- 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 · 8 for Jamba 1.5 Large
ERNIE 5.5 Flash Preview and Jamba 1.5 Largedon'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 7.1x cheaper than Jamba 1.5 Large ($2.00/1M tokens).
For output processing, ERNIE 5.5 Flash Preview ($1.13/1M tokens) is 7.1x cheaper than Jamba 1.5 Large ($8.00/1M tokens).
In conclusion, Jamba 1.5 Large is more expensive than ERNIE 5.5 Flash Preview.*
* Using a 3:1 ratio of input to output tokens
Model Size
Parameter count comparison
Jamba 1.5 Large has 118.0B more parameters than ERNIE 5.5 Flash Preview, making it 42.1% larger.
Context Window
Maximum input and output token capacity
ERNIE 5.5 Flash Preview accepts 1,048,576 input tokens compared to Jamba 1.5 Large's 256,000 tokens. ERNIE 5.5 Flash Preview can generate longer responses up to 1,048,576 tokens, while Jamba 1.5 Large is limited to 256,000 tokens.
License
Usage and distribution terms
ERNIE 5.5 Flash Preview is licensed under a proprietary license, while Jamba 1.5 Large uses Jamba Open Model License.
License differences may affect how you can use these models in commercial or open-source projects.
Proprietary
Closed source
Jamba Open Model License
Open weights
Release Timeline
When each model was launched
ERNIE 5.5 Flash Preview was released on 2026-11-11, while Jamba 1.5 Large was released on 2024-08-22.
ERNIE 5.5 Flash Preview is 27 months newer than Jamba 1.5 Large.
Nov 11, 2026
1 days ago
2.2yr newerAug 22, 2024
2.2 years ago
Knowledge Cutoff
When training data ends
Jamba 1.5 Large has a documented knowledge cutoff of 2024-03-05, while ERNIE 5.5 Flash Preview's cutoff date is not specified.
We can confirm Jamba 1.5 Large's training data extends to 2024-03-05, but cannot make a direct comparison without ERNIE 5.5 Flash Preview's cutoff date.
—
Mar 2024
Provider Availability
ERNIE 5.5 Flash Preview is available from Baidu Qianfan. Jamba 1.5 Large is available from Bedrock, Google.
ERNIE 5.5 Flash Preview
Jamba 1.5 Large
Outputs Comparison
Judge for yourself.
Run your own prompts against ERNIE 5.5 Flash Preview and Jamba 1.5 Large side-by-side, then vote on the output you prefer.
FAQ
Common questions about ERNIE 5.5 Flash Preview vs Jamba 1.5 Large.