Claude 3 Opus vs ERNIE 5.5 Flash Preview
ERNIE 5.5 Flash Preview leads the LLM Stats Score 52.3 to 9.4. ERNIE 5.5 Flash Preview is 60.9x cheaper per token.
Anthropic · Baidu · Updated for 2026
Which is better?
ERNIE 5.5 Flash Preview leads the overall LLM Stats Score 52.3 to 9.4, ranking #13 overall.
On price, ERNIE 5.5 Flash Preview is roughly 60.9x 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 Claude 3 Opus
- you want predictable pricing at $15.00/M input and $75.00/M output
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
- cost matters — it's about 60.9x 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
At a glance
The differences that matter most.
Individual benchmarks
11 reported for Claude 3 Opus · 13 for ERNIE 5.5 Flash Preview
Claude 3 Opus and ERNIE 5.5 Flash Previewdon'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, Claude 3 Opus ($15.00/1M tokens) is 53.6x more expensive than ERNIE 5.5 Flash Preview ($0.28/1M tokens).
For output processing, Claude 3 Opus ($75.00/1M tokens) is 66.4x more expensive than ERNIE 5.5 Flash Preview ($1.13/1M tokens).
In conclusion, Claude 3 Opus is more expensive than ERNIE 5.5 Flash Preview.*
* Using a 3:1 ratio of input to output tokens
Context Window
Maximum input and output token capacity
ERNIE 5.5 Flash Preview accepts 1,048,576 input tokens compared to Claude 3 Opus's 200,000 tokens. ERNIE 5.5 Flash Preview can generate longer responses up to 1,048,576 tokens, while Claude 3 Opus is limited to 200,000 tokens.
Input capabilities
Documented input modalities across available providers
Claude 3 Opus supports multimodal inputs, whereas ERNIE 5.5 Flash Preview does not.
Claude 3 Opus can handle both text and other forms of data like images, making it suitable for multimodal applications.
Claude 3 Opus
ERNIE 5.5 Flash Preview
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
Claude 3 Opus was released on 2024-02-29, while ERNIE 5.5 Flash Preview was released on 2026-11-11.
ERNIE 5.5 Flash Preview is 33 months newer than Claude 3 Opus.
Feb 29, 2024
2.7 years ago
Nov 11, 2026
1 days ago
2.7yr newerKnowledge Cutoff
When training data ends
Neither model specifies a knowledge cutoff date.
Unable to compare the recency of their training data.
Provider Availability
Claude 3 Opus is available from Anthropic, Bedrock, Google. ERNIE 5.5 Flash Preview is available from Baidu Qianfan.
Claude 3 Opus
ERNIE 5.5 Flash Preview
Outputs Comparison
Judge for yourself.
Run your own prompts against Claude 3 Opus and ERNIE 5.5 Flash Preview side-by-side, then vote on the output you prefer.
FAQ
Common questions about Claude 3 Opus vs ERNIE 5.5 Flash Preview.