Compare / head-to-head
ERNIE 5.1vsGPT-5.1
ERNIE 5.1 leads 1 of 1 shared benchmark. GPT-5.1 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-5.1
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
Quality
Benchmark matrix
1 shared · 1 only ERNIE 5.1 · 5 only GPT-5.1| Benchmark | ERNIE 5.1 | GPT-5.1 | Δ | Edge |
|---|---|---|---|---|
| Reported by both · 1 | ||||
| LMArena Elo | 1468.2 ↗ | 1422.6 ↗ | +45.6 | ERNIE 5.1 |
| Only ERNIE 5.1 reports · 1 | ||||
| AIME 2026 (with tools) | 99.6% ↗ | not reported | — | — |
| Only GPT-5.1 reports · 5 | ||||
| GPQA Diamond | not reported | 87.6% ↗epoch | — | — |
| AIME 2025 | not reported | 94.2% ↗matharena ⚠ | — | — |
| OTIS Mock AIME 2024-2025 (Epoch AI run) | not reported | 88.6% ↗epoch | — | — |
| SimpleQA Verified | not reported | 48% ↗epoch | — | — |
| SWE-bench Verified (Epoch AI run) | not reported | 68% ↗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-5.1 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
Official pricing pages and model cards| Spec | ERNIE 5.1 | GPT-5.1 | Edge |
|---|---|---|---|
| Context window | 128K tokens | 400K tokens | GPT-5.1 |
| Max output | 66K tokens | 128K tokens | GPT-5.1 |
| 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 | — |
| Modalities | text | text · vision | GPT-5.1 |
| Released | 2026-05-09 | 2025-11-13 | — |
| Cited benchmark scores | 2 | 6 | — |
Reliability
Provider status
Last 60 days · refreshed daily on this page · live on /statusMore matchups
ERNIE 5.1 vs …
Models sharing the most benchmarksMore matchups
GPT-5.1 vs …
Models sharing the most benchmarksBuilt by Respan
Which one wins on your data?
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