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ERNIE 5.5 Flash Preview vs Grok-3

ERNIE 5.5 Flash Preview leads the LLM Stats Score 52.3 to 29.7. ERNIE 5.5 Flash Preview is 12.2x cheaper per token.

Baidu · xAI · Updated for 2026

Which is better?

ERNIE 5.5 Flash Preview leads the overall LLM Stats Score 52.3 to 29.7, ranking #13 overall.

On price, ERNIE 5.5 Flash Preview is roughly 12.2x 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
  • cost matters — it's about 12.2x 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 Grok-3

  • you want predictable pricing at $3.00/M input and $15.00/M output

At a glance

The differences that matter most.

Core performance indexes
52.3
#13
29.7
#158
50.7
#12
29.4
#158
37.9
#20
17.5
#150
Cost, coverage & limits
Benchmark wins
—
—
Input price
$0.28 / M
$3.00 / M
Output price
$1.13 / M
$15.00 / M
Context window
1,048,576
128,000

Individual benchmarks

13 reported for ERNIE 5.5 Flash Preview · 5 for Grok-3

No common benchmarks found

ERNIE 5.5 Flash Preview and Grok-3don'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

ERNIE 5.5 Flash Preview costs less

For input processing, ERNIE 5.5 Flash Preview ($0.28/1M tokens) is 10.7x cheaper than Grok-3 ($3.00/1M tokens).

For output processing, ERNIE 5.5 Flash Preview ($1.13/1M tokens) is 13.3x cheaper than Grok-3 ($15.00/1M tokens).

In conclusion, Grok-3 is more expensive than ERNIE 5.5 Flash Preview.*

* Using a 3:1 ratio of input to output tokens

Lowest available price from all providers
Thu Nov 12 2026 • llm-stats.com
Baidu
ERNIE 5.5 Flash Preview
Input tokens$0.28
Output tokens$1.13
Best providerBaidu
xAI
Grok-3
Input tokens$3.00
Output tokens$15.00
Best providerxAI
Notice missing or incorrect data?

Context Window

Maximum input and output token capacity

ERNIE 5.5 Flash Preview accepts 1,048,576 input tokens compared to Grok-3's 128,000 tokens. ERNIE 5.5 Flash Preview can generate longer responses up to 1,048,576 tokens, while Grok-3 is limited to 8,000 tokens.

Baidu
ERNIE 5.5 Flash Preview
Input1,048,576 tokens
Output1,048,576 tokens
xAI
Grok-3
Input128,000 tokens
Output8,000 tokens
Thu Nov 12 2026 • llm-stats.com

Input capabilities

Documented input modalities across available providers

Grok-3 supports multimodal inputs, whereas ERNIE 5.5 Flash Preview does not.

Grok-3 can handle both text and other forms of data like images, making it suitable for multimodal applications.

ERNIE 5.5 Flash Preview

Text
Images
Audio
Video

Grok-3

Text
Images
Audio
Video

License

Usage and distribution terms

Both models are licensed under proprietary licenses.

Both models have usage restrictions defined by their respective organizations.

ERNIE 5.5 Flash Preview

Proprietary

Closed source

Grok-3

Proprietary

Closed source

Release Timeline

When each model was launched

ERNIE 5.5 Flash Preview was released on 2026-11-11, while Grok-3 was released on 2025-02-17.

ERNIE 5.5 Flash Preview is 21 months newer than Grok-3.

ERNIE 5.5 Flash Preview

Nov 11, 2026

1 days ago

1.7yr newer
Grok-3

Feb 17, 2025

1.7 years ago

Knowledge Cutoff

When training data ends

Grok-3 has a documented knowledge cutoff of 2024-11-17, while ERNIE 5.5 Flash Preview's cutoff date is not specified.

We can confirm Grok-3's training data extends to 2024-11-17, but cannot make a direct comparison without ERNIE 5.5 Flash Preview's cutoff date.

ERNIE 5.5 Flash Preview

—

Grok-3

Nov 2024

Provider Availability

ERNIE 5.5 Flash Preview is available from Baidu Qianfan. Grok-3 is available from xAI.

ERNIE 5.5 Flash Preview

baidu logo
Baidu
Input Price:Input: $0.28/1MOutput Price:Output: $1.13/1M

Grok-3

xai logo
xAI
Input Price:Input: $3.00/1MOutput Price:Output: $15.00/1M
* Prices shown are per million tokens

Outputs Comparison

Notice missing or incorrect data?

Judge for yourself.

Run your own prompts against ERNIE 5.5 Flash Preview and Grok-3 side-by-side, then vote on the output you prefer.

ERNIE 5.5 Flash Preview
✓ Preferred
Grok-3
Open in Playground

FAQ

Common questions about ERNIE 5.5 Flash Preview vs Grok-3.

Which is better, ERNIE 5.5 Flash Preview or Grok-3?

ERNIE 5.5 Flash Preview leads the LLM Stats Score 52.3 to 29.7. ERNIE 5.5 Flash Preview is made by Baidu and Grok-3 is made by xAI. The best choice depends on your use case — compare their capability indexes, individual benchmarks, pricing, and limits above.

How does ERNIE 5.5 Flash Preview compare to Grok-3 in benchmarks?

ERNIE 5.5 Flash Preview scores BrowseComp: 87.4%, DRACO: 84.9%, MCP Atlas: 84.6%, DeepSWE 1.1: 71.2%, OfficeQA Pro: 67.9%. Grok-3 scores AIME 2024: 93.3%, AIME 2025: 93.3%, GPQA: 84.6%, LiveCodeBench: 79.4%, MMMU: 78.0%.

Is ERNIE 5.5 Flash Preview cheaper than Grok-3?

ERNIE 5.5 Flash Preview is 10.7x cheaper for input tokens. ERNIE 5.5 Flash Preview costs $0.28/M input and $1.13/M output via baidu. Grok-3 costs $3.00/M input and $15.00/M output via xai.

What are the context window sizes for ERNIE 5.5 Flash Preview and Grok-3?

ERNIE 5.5 Flash Preview supports 1.0M tokens and Grok-3 supports 128K tokens. A larger context window lets you process longer documents, conversations, or codebases in a single request.

What are the main differences between ERNIE 5.5 Flash Preview and Grok-3?

Key differences include LLM Stats Score (52.3 vs 29.7), context window (1.0M vs 128K), input pricing ($0.28 vs $3.00/M), multimodal support (no vs yes). See the full comparison above for benchmark-by-benchmark results.

Who makes ERNIE 5.5 Flash Preview and Grok-3?

ERNIE 5.5 Flash Preview is developed by Baidu and Grok-3 is developed by xAI.