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Compare / head-to-head

ERNIE 5.1vsGPT-5

ERNIE 5.1 and GPT-5 do not yet share a public benchmark, so quality cannot be compared apples-to-apples. GPT-5 has the larger context window (400K tokens).

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

Shared benchmarks
0
no overlap yet
Cheaper per token
list price, input + output
Larger context
GPT-5
400K tokens
Provider uptime (30d)
— · 94.2446%
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
OpenAI · released 2025-08-07
textvision
Context
400K
Max out
128K
Input /1M
$1.25
Output /1M
$10
Cached /1M
$0.125
Scores
9 · 8 core
Quality

Benchmark matrix

BenchmarkERNIE 5.1GPT-5ΔEdge
Reported by both · 0
No public benchmark is reported for both models yet.
Only ERNIE 5.1 reports · 2
LMArena Elo1468.2 not reported
AIME 2026 (with tools)99.6% not reported
Only GPT-5 reports · 8
SWE-bench Verifiednot reported74.9%
GPQA Diamondnot reported86.2% epoch
AIME 2025not reported94.6%
FrontierMath Tier 4 v2 (Epoch AI run)not reported22% epoch
FrontierMath Tiers 1-3 v2 (Epoch AI run)not reported55.4% epoch
OTIS Mock AIME 2024-2025 (Epoch AI run)not reported91.4% epoch
SimpleQA Verifiednot reported50.1% epoch
SWE-bench Verified (Epoch AI run)not reported73.6% 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 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-5Edge
Context window128K tokens400K tokensGPT-5
Max output66K tokens128K tokensGPT-5
Input price / 1M$1.25
Output price / 1M$10
Cached input / 1M$0.125
Input + output / 1M
Lower is cheaper. List prices; batch, tool and regional fees excluded.
$11.25
Modalitiestexttext · visionGPT-5
Released2026-05-092025-08-07
Cited benchmark scores29
Reliability

Provider status

All providers
More matchups

ERNIE 5.1 vs …

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Which one wins on your data?

Public benchmarks are a starting point. Run ERNIE 5.1 and GPT-5 on your own prompts with Respan evals, or route to either through one gateway key with automatic failover.