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ERNIE 4.5 vs Grok 4.6

Comparing ERNIE 4.5 and Grok 4.6 across benchmarks, pricing, and capabilities.

Baidu · xAI · Updated for 2026

Which is better?

ERNIE 4.5 and Grok 4.6 trade strengths across price, capabilities, and technical limits. The better choice depends on the workload.

On price, ERNIE 4.5 is roughly 2.3x cheaper per token on a blended 3:1 input/output basis, which adds up quickly at production volume.

Grok 4.6 also accepts a larger context window (500,000 input tokens), making it the stronger choice for long documents and large codebases.

Based on current benchmark, pricing, and model metadata for 2026.

Choose ERNIE 4.5

  • cost matters — it's about 2.3x cheaper per token

Choose Grok 4.6

  • you process long inputs — it offers a 500,000 token context window
  • you want the most recent training data — it shipped Aug 2026

At a glance

The differences that matter most.

ERNIE 4.5
Baidu
Grok 4.6
xAI
Benchmark wins
—
—
Input price
$0.40 / M
$2.00 / M
Output price
$4.00 / M
$6.00 / M
Context window
128,000
500,000
Released
Jun 2025
Aug 2026
License
Proprietary
Proprietary

Performance Benchmarks

Comparative analysis across standard metrics

No common benchmarks found

ERNIE 4.5 and Grok 4.6don't have any common benchmark datasets to compare. They may have been evaluated on different testing suites.

Arena Performance

Playground indexes and blind preference scores

Pricing Analysis

Price comparison per million tokens

ERNIE 4.5 costs less

For input processing, ERNIE 4.5 ($0.40/1M tokens) is 5.0x cheaper than Grok 4.6 ($2.00/1M tokens).

For output processing, ERNIE 4.5 ($4.00/1M tokens) is 1.5x cheaper than Grok 4.6 ($6.00/1M tokens).

In conclusion, Grok 4.6 is more expensive than ERNIE 4.5.*

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

Lowest available price from all providers
Wed Aug 26 2026 • llm-stats.com
Baidu
ERNIE 4.5
Input tokens$0.40
Output tokens$4.00
Best providerNovita
xAI
Grok 4.6
Input tokens$2.00
Output tokens$6.00
Best providerxAI
Notice missing or incorrect data?Start an Issue→

Context Window

Maximum input and output token capacity

Grok 4.6 accepts 500,000 input tokens compared to ERNIE 4.5's 128,000 tokens. Only ERNIE 4.5 specifies output context (65,536 tokens).

Baidu
ERNIE 4.5
Input128,000 tokens
Output65,536 tokens
xAI
Grok 4.6
Input500,000 tokens
Output- tokens
Wed Aug 26 2026 • llm-stats.com

Input Capabilities

Supported data types and modalities

Grok 4.6 supports multimodal inputs, whereas ERNIE 4.5 does not.

Grok 4.6 can handle both text and other forms of data like images, making it suitable for multimodal applications.

ERNIE 4.5

Text
Images
Audio
Video

Grok 4.6

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 4.5

Proprietary

Closed source

Grok 4.6

Proprietary

Closed source

Release Timeline

When each model was launched

ERNIE 4.5 was released on 2025-06-25, while Grok 4.6 was released on 2026-08-12.

Grok 4.6 is 14 months newer than ERNIE 4.5.

ERNIE 4.5

Jun 25, 2025

1.2 years ago

Grok 4.6

Aug 12, 2026

1 weeks ago

1.1yr newer

Knowledge Cutoff

When training data ends

Grok 4.6 has a documented knowledge cutoff of 2026-02-01, while ERNIE 4.5's cutoff date is not specified.

We can confirm Grok 4.6's training data extends to 2026-02-01, but cannot make a direct comparison without ERNIE 4.5's cutoff date.

ERNIE 4.5

—

Grok 4.6

Feb 2026

Provider Availability

ERNIE 4.5 is available from Novita. Grok 4.6 is available from xAI.

ERNIE 4.5

novita logo
Novita
Input Price:Input: $0.40/1MOutput Price:Output: $4.00/1M

Grok 4.6

xai logo
xAI
Input Price:Input: $2.00/1MOutput Price:Output: $6.00/1M
* Prices shown are per million tokens

Outputs Comparison

Notice missing or incorrect data?Start an Issue discussion→

Judge for yourself.

Run your own prompts against ERNIE 4.5 and Grok 4.6 side-by-side, then vote on the output you prefer.

ERNIE 4.5
✓ Preferred
Grok 4.6
Open in Playground

FAQ

Common questions about ERNIE 4.5 vs Grok 4.6.

Which is better, ERNIE 4.5 or Grok 4.6?

ERNIE 4.5 (Baidu) and Grok 4.6 (xAI) each have strengths in different areas. Compare their benchmark scores, pricing, context windows, and capabilities above to determine which fits your needs.

How does ERNIE 4.5 compare to Grok 4.6 in benchmarks?

ERNIE 4.5 scores GPQA: 74.0%, ARC-E: 60.7%, PIQA: 55.2%, Winogrande: 51.3%, CLUEWSC: 48.6%. Grok 4.6 scores CursorBench v3.2: 69.9%, DeepSWE 1.1: 65.9%, FrontierCode: 61.3%, AA-Index: 61.0%, GDPval-AA: 58.4%.

Is ERNIE 4.5 cheaper than Grok 4.6?

ERNIE 4.5 is 5.0x cheaper for input tokens. ERNIE 4.5 costs $0.40/M input and $4.00/M output via novita. Grok 4.6 costs $2.00/M input and $6.00/M output via xai.

What are the context window sizes for ERNIE 4.5 and Grok 4.6?

ERNIE 4.5 supports 128K tokens and Grok 4.6 supports 500K tokens. A larger context window lets you process longer documents, conversations, or codebases in a single request.

What are the main differences between ERNIE 4.5 and Grok 4.6?

Key differences include context window (128K vs 500K), input pricing ($0.40 vs $2.00/M), multimodal support (no vs yes). See the full comparison above for benchmark-by-benchmark results.

Who makes ERNIE 4.5 and Grok 4.6?

ERNIE 4.5 is developed by Baidu and Grok 4.6 is developed by xAI.

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