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ERNIE 5.1

Baidu·Pending·Released 2026-05-09text
Context128k
Max output65.536k
Input / 1M-
Output / 1M-
Cached in-
Benchmarks2

Benchmarks

Cited public sources · rank is exact-benchmark, apples-to-apples

LMArena Elo#6/621468.2 ↗
AIME 2026 (with tools)99.6% ↗

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vs GPT-6 Astravs GPT-5.6 Solvs GPT-5.6 Terravs GPT-5.6 Lunavs Claude Fable 5.1vs Claude Opus 5vs Claude Sonnet 5vs Claude Haiku 4.5

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ERNIE 5.0

Access ERNIE 5.1 and every other model through one endpoint with automatic failover: Respan gateway.