Which has the larger context window?

Claude Opus 4 accepts 200K tokens and ERNIE 5.0 128K tokens.

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Claude Opus 4 vs ERNIE 5.0: benchmarks, price and context | Respan

Claude Opus 4 vs ERNIE 5.0

ERNIE 5.0 scores 20.4 on the Respan Index (#94), ahead of Claude Opus 4 at 20.0 (#96). ERNIE 5.0 leads on 2 of the 2 benchmarks both report. Claude Opus 4 has the larger context window (200K tokens).

Claude Opus 4Anthropic

Respan Index: 20.0 (#96)
Input / output per 1M: $15 / $75
Blended price per 1M: $30
Context window: 200K
Max output: 32K
Input: text, vision
Released: 2025-05-22

Prices and providers on Respan

ERNIE 5.0Baidu

Respan Index: 20.4 (#94)
Input / output per 1M: -
Blended price per 1M: -
Context window: 128K
Max output: 66K

Respan Index by category

Coding8.4 Claude Opus 45.5 ERNIE 5.0
Agents21.9* Claude Opus 423.0* ERNIE 5.0
Reasoning14.2 Claude Opus 4

Benchmarks both report

Benchmark	Claude Opus 4	ERNIE 5.0
GPQA Diamond	76.3%	86.4%
LMArena Elo	1426	1446

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

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Claude Opus 4 vs ERNIE 5.0

Respan Index by category

Benchmarks both report

FAQ

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Respan Index by category

Benchmarks both report

FAQ

Is Claude Opus 4 better than ERNIE 5.0?

Which has the larger context window?

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