Compare / head-to-head
DeepSeek V4 ProvsGLM-4.5-Air
DeepSeek V4 Pro leads 1 of 1 shared benchmark. GLM-4.5-Air is marginally cheaper per token. DeepSeek V4 Pro has the larger context window (1M tokens).
Benchmarks from cited public sources; pricing from official pages; status from official provider feeds.
Shared benchmarks
1 – 0
DeepSeek V4 Pro leads
Cheaper per token
GLM-4.5-Air
1x cheaper, input + output
Larger context
DeepSeek V4 Pro
1M tokens
Provider uptime (30d)
100% · —
DeepSeek · Z.ai
DeepSeek V4 Pro
DeepSeek · released 2026-08-13
text
GLM-4.5-Air
Z.ai
text
Quality
Benchmark matrix
1 shared · 10 only DeepSeek V4 Pro · 1 only GLM-4.5-Air| Benchmark | DeepSeek V4 Pro | GLM-4.5-Air | Δ | Edge |
|---|---|---|---|---|
| Reported by both · 1 | ||||
| LMArena Elo | 1450.6 ↗ | 1383.6 ↗ | +67 | DeepSeek V4 Pro |
| Only DeepSeek V4 Pro reports · 10 | ||||
| GPQA Diamond | 90.9% ↗epoch | not reported | — | — |
| AIME 2026 | 96.7% ↗matharena ⚠ | not reported | — | — |
| DeepSWE v1.1 | 62.7% ↗ | not reported | — | — |
| FrontierMath Tier 4 v2 (Epoch AI run) | 2.4% ↗epoch | not reported | — | — |
| FrontierMath Tiers 1-3 v2 (Epoch AI run) | 45.3% ↗epoch | not reported | — | — |
| Humanity's Last Exam (with tools) | 60% ↗ | not reported | — | — |
| OTIS Mock AIME 2024-2025 (Epoch AI run) | 96.7% ↗epoch | not reported | — | — |
| SimpleQA Verified | 47% ↗epoch | not reported | — | — |
| SWE-bench Verified (Epoch AI run) | 77.6% ↗epoch | not reported | — | — |
| Terminal-Bench 2.1 | 87.9% ↗ | 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 DeepSeek V4 Pro 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 | DeepSeek V4 Pro | GLM-4.5-Air | Edge |
|---|---|---|---|
| Context window | 1M tokens | 128K tokens | DeepSeek V4 Pro |
| Max output | 384K tokens | 98K tokens | DeepSeek V4 Pro |
| Input price / 1M | $0.435 ↗ | $0.2 ↗ | GLM-4.5-Air |
| Output price / 1M | $0.87 ↗ | $1.1 ↗ | DeepSeek V4 Pro |
| Cached input / 1M | $0.004 ↗ | $0.03 ↗ | DeepSeek V4 Pro |
| Input + output / 1M Lower is cheaper. List prices; batch, tool and regional fees excluded. | $1.31 | $1.3 | GLM-4.5-Air |
| Modalities | text | text | Tie |
| Released | 2026-08-13 | — | — |
| Cited benchmark scores | 11 | 2 | — |
Reliability
Provider status
Last 60 days · refreshed daily on this page · live on /statusMore matchups
DeepSeek V4 Pro 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 DeepSeek V4 Pro and GLM-4.5-Air on your own prompts with Respan evals, or route to either through one gateway key with automatic failover.