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Compare / head-to-head

ERNIE 5.1vsGPT-5.2

ERNIE 5.1 leads 1 of 1 shared benchmark. GPT-5.2 has the larger context window (400K tokens).

Benchmarks from cited public sources; pricing from official pages; status from official provider feeds.

Shared benchmarks
1 – 0
ERNIE 5.1 leads
Cheaper per token
list price, input + output
Larger context
GPT-5.2
400K tokens
Provider uptime (30d)
— · 95.0464%
Baidu · OpenAI
ERNIE 5.1
Baidu · released 2026-05-09
text
Context
128K
Max out
66K
Input /1M
Output /1M
Cached /1M
Scores
2 · 2 core
GPT-5.2
OpenAI · released 2025-12-11
textvision
Context
400K
Max out
128K
Input /1M
$1.75
Output /1M
$14
Cached /1M
$0.175
Scores
16 · 11 core
Quality

Benchmark matrix

BenchmarkERNIE 5.1GPT-5.2ΔEdge
Reported by both · 1
LMArena Elo1468.2 1412.4 +55.8ERNIE 5.1
Only ERNIE 5.1 reports · 1
AIME 2026 (with tools)99.6% not reported
Only GPT-5.2 reports · 13
SWE-bench Verifiednot reported80%
GPQA Diamondnot reported92.4%
AIME 2025not reported100%
AIME 2026not reported98.3% matharena
ARC-AGI-1 (Verified)not reported86.2%
ARC-AGI-2 (Verified)not reported52.9%
FrontierMath Tier 4 v2 (Epoch AI run)not reported31.7% epoch
FrontierMath Tiers 1-3 v2 (Epoch AI run)not reported67.4% epoch
GDPval (wins or ties)not reported70.9%
OTIS Mock AIME 2024-2025 (Epoch AI run)not reported96.1% epoch
SimpleQA Verifiednot reported37.1% epoch
SWE-Bench Pronot reported55.6%
SWE-bench Verified (Epoch AI run)not reported73.8% epoch
Scores tagged "epoch" or "matharena" are independent runs, used only where the lab has not published its own; ⚠ marks rows MathArena flags as released after the competition. Higher is better on every row. Δ is ERNIE 5.1 minus GPT-5.2 in the benchmark's own unit. "Not reported" means the lab has not published that figure; it is not a zero. ↗ opens the source.
Specs & pricing

Side by side

SpecERNIE 5.1GPT-5.2Edge
Context window128K tokens400K tokensGPT-5.2
Max output66K tokens128K tokensGPT-5.2
Input price / 1M$1.75
Output price / 1M$14
Cached input / 1M$0.175
Input + output / 1M
Lower is cheaper. List prices; batch, tool and regional fees excluded.
$15.75
Modalitiestexttext · visionGPT-5.2
Released2026-05-092025-12-11
Cited benchmark scores216
Reliability

Provider status

All providers
More matchups

ERNIE 5.1 vs …

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