Compare / head-to-head
GLM-4.5-AirvsQwen3.5-Flash
Qwen3.5-Flash leads 1 of 1 shared benchmark. Qwen3.5-Flash is 4.1x cheaper per token. Qwen3.5-Flash has the larger context window (1M tokens).
Benchmarks from cited public sources; pricing from official pages; status from official provider feeds.
Shared benchmarks
0 – 1
Qwen3.5-Flash leads
Cheaper per token
Qwen3.5-Flash
4.1x cheaper, input + output
Larger context
Qwen3.5-Flash
1M tokens
Provider uptime (30d)
— · —
Z.ai · Qwen
GLM-4.5-Air
Z.ai
text
Qwen3.5-Flash
Qwen · released 2026-02-23
textvision
Quality
Benchmark matrix
1 shared · 1 only GLM-4.5-Air · 4 only Qwen3.5-Flash| Benchmark | GLM-4.5-Air | Qwen3.5-Flash | Δ | Edge |
|---|---|---|---|---|
| Reported by both · 1 | ||||
| LMArena Elo | 1383.6 ↗ | 1397.7 ↗ | -14.1 | Qwen3.5-Flash |
| Only GLM-4.5-Air reports · 1 | ||||
| AIME 2025 | 83.3% ↗matharena ⚠ | not reported | — | — |
| Only Qwen3.5-Flash reports · 4 | ||||
| GPQA Diamond | not reported | 82.3% ↗epoch | — | — |
| FrontierMath Tiers 1-3 v2 (Epoch AI run) | not reported | 9.5% ↗epoch | — | — |
| OTIS Mock AIME 2024-2025 (Epoch AI run) | not reported | 84.4% ↗epoch | — | — |
| SimpleQA Verified | not reported | 20.3% ↗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 GLM-4.5-Air minus Qwen3.5-Flash 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 | GLM-4.5-Air | Qwen3.5-Flash | Edge |
|---|---|---|---|
| Context window | 128K tokens | 1M tokens | Qwen3.5-Flash |
| Max output | 98K tokens | — | — |
| Input price / 1M | $0.2 ↗ | $0.029 ↗ | Qwen3.5-Flash |
| Output price / 1M | $1.1 ↗ | $0.287 ↗ | Qwen3.5-Flash |
| Cached input / 1M | $0.03 ↗ | — | — |
| Input + output / 1M Lower is cheaper. List prices; batch, tool and regional fees excluded. | $1.3 | $0.316 | Qwen3.5-Flash |
| Modalities | text | text · vision | Qwen3.5-Flash |
| Released | — | 2026-02-23 | — |
| Cited benchmark scores | 2 | 5 | — |
Reliability
Provider status
Last 60 days · refreshed daily on this page · live on /statusMore matchups
GLM-4.5-Air vs …
Models sharing the most benchmarksMore matchups
Qwen3.5-Flash vs …
Models sharing the most benchmarksBuilt by Respan
Which one wins on your data?
Public benchmarks are a starting point. Run GLM-4.5-Air and Qwen3.5-Flash on your own prompts with Respan evals, or route to either through one gateway key with automatic failover.