Compare / head-to-head
ERNIE 5.1vsGLM-4.5-Air
ERNIE 5.1 leads 1 of 1 shared benchmark. Both offer a 128K-token context window.
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
Tie
both 128K tokens
Provider uptime (30d)
— · —
Baidu · Z.ai
ERNIE 5.1
Baidu · released 2026-05-09
text
- Context
- 128K
- Max out
- 66K
- Input /1M
- —
- Output /1M
- —
- Cached /1M
- —
- Scores
- 2 · 2 core
GLM-4.5-Air
Z.ai
text
Quality
Benchmark matrix
1 shared · 1 only ERNIE 5.1 · 1 only GLM-4.5-Air| Benchmark | ERNIE 5.1 | GLM-4.5-Air | Δ | Edge |
|---|---|---|---|---|
| Reported by both · 1 | ||||
| LMArena Elo | 1468.2 ↗ | 1383.6 ↗ | +84.6 | ERNIE 5.1 |
| Only ERNIE 5.1 reports · 1 | ||||
| AIME 2026 (with tools) | 99.6% ↗ | not reported | — | — |
| Only GLM-4.5-Air reports · 1 | ||||
| AIME 2025 | not reported | 83.3% ↗matharena ⚠ | — | — |
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 GLM-4.5-Air 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 | GLM-4.5-Air | Edge |
|---|---|---|---|
| Context window | 128K tokens | 128K tokens | Tie |
| Max output | 66K tokens | 98K tokens | GLM-4.5-Air |
| Input price / 1M | — | $0.2 ↗ | — |
| Output price / 1M | — | $1.1 ↗ | — |
| Cached input / 1M | — | $0.03 ↗ | — |
| Input + output / 1M Lower is cheaper. List prices; batch, tool and regional fees excluded. | — | $1.3 | — |
| Modalities | text | text | Tie |
| Released | 2026-05-09 | — | — |
| Cited benchmark scores | 2 | 2 | — |
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
GLM-4.5-Air vs …
Models sharing the most benchmarksBuilt by Respan
Which one wins on your data?
Public benchmarks are a starting point. Run ERNIE 5.1 and GLM-4.5-Air on your own prompts with Respan evals, or route to either through one gateway key with automatic failover.