Which has the larger context window?

ERNIE 5.0 accepts 128K tokens and Grok 4.3 1M tokens.

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ERNIE 5.0 vs Grok 4.3: benchmarks, price and context | Respan

ERNIE 5.0 vs Grok 4.3

Grok 4.3 scores 20.7 on the Respan Index (#92), ahead of ERNIE 5.0 at 20.4 (#94). They split the 2 benchmarks both report evenly. Grok 4.3 has the larger context window (1M tokens).

ERNIE 5.0Baidu

Respan Index: 20.4 (#94)
Input / output per 1M: -
Blended price per 1M: -
Context window: 128K
Max output: 66K
Input: text, vision
Released: 2026-02-06

Grok 4.3xAI

Respan Index: 20.7 (#92)
Input / output per 1M: $1.25 / $2.5
Blended price per 1M: $1.56
Context window: 1M
Max output: -
Input: text, vision
Released: -

Prices and providers on Respan

Respan Index by category

Coding5.5 ERNIE 5.05.8 Grok 4.3
Agents23.0* ERNIE 5.06.1 Grok 4.3
Reasoning16.0 ERNIE 5.028.2

Benchmarks both report

Benchmark	ERNIE 5.0	Grok 4.3
LMArena Elo	1446	1398
GPQA Diamond	86.4%	88.8%

Higher is better. Each score links to where it was published.

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ERNIE 5.0 vs Grok 4.3

Respan Index by category

Benchmarks both report

FAQ

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Respan Index by category

Benchmarks both report

FAQ

Is ERNIE 5.0 better than Grok 4.3?

Which has the larger context window?

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