Compare / head-to-head
GLM-5vsGPT-5 nano
GLM-5 leads 3 of 4 shared benchmarks. GPT-5 nano is 9.3x cheaper per token. GPT-5 nano has the larger context window (400K tokens).
Benchmarks from cited public sources; pricing from official pages; status from official provider feeds.
Shared benchmarks
3 – 1
GLM-5 leads
Cheaper per token
GPT-5 nano
9.3x cheaper, input + output
Larger context
GPT-5 nano
400K tokens
Provider uptime (30d)
— · 94.702%
Z.ai · OpenAI
GPT-5 nano
OpenAI · released 2025-08-07
textvision
Quality
Benchmark matrix
4 shared · 4 only GLM-5 · 3 only GPT-5 nano| Benchmark | GLM-5 | GPT-5 nano | Δ | Edge |
|---|---|---|---|---|
| Reported by both · 4 | ||||
| SWE-bench Verified | 77.8% ↗ | 54.7% ↗ | +23.1 pt | GLM-5 |
| GPQA Diamond | 87.8% ↗epoch | 69.4% ↗epoch | +18.4 pt | GLM-5 |
| AIME 2025 | 96.7% ↗matharena ⚠ | 85% ↗matharena ⚠ | +11.7 pt | GLM-5 |
| OTIS Mock AIME 2024-2025 (Epoch AI run) | 80% ↗epoch | 81.1% ↗epoch | -1.1 pt | GPT-5 nano |
| Only GLM-5 reports · 4 | ||||
| AIME 2026 | 96.7% ↗matharena ⚠ | not reported | — | — |
| LMArena Elo | 1446.3 ↗ | not reported | — | — |
| SWE-bench Verified (Epoch AI run) | 72.1% ↗epoch | not reported | — | — |
| Terminal-Bench 2.0 | 56.2% ↗ | not reported | — | — |
| Only GPT-5 nano reports · 3 | ||||
| FrontierMath Tier 4 v2 (Epoch AI run) | not reported | 2.4% ↗epoch | — | — |
| FrontierMath Tiers 1-3 v2 (Epoch AI run) | not reported | 20% ↗epoch | — | — |
| SimpleQA Verified | not reported | 11.7% ↗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-5 minus GPT-5 nano 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-5 | GPT-5 nano | Edge |
|---|---|---|---|
| Context window | 200K tokens | 400K tokens | GPT-5 nano |
| Max output | 131K tokens | 128K tokens | GLM-5 |
| Input price / 1M | $1 ↗ | $0.05 ↗ | GPT-5 nano |
| Output price / 1M | $3.2 ↗ | $0.4 ↗ | GPT-5 nano |
| Cached input / 1M | $0.2 ↗ | $0.005 ↗ | GPT-5 nano |
| Input + output / 1M Lower is cheaper. List prices; batch, tool and regional fees excluded. | $4.2 | $0.45 | GPT-5 nano |
| Modalities | text | text · vision | GPT-5 nano |
| Released | — | 2025-08-07 | — |
| Cited benchmark scores | 8 | 7 | — |
Reliability
Provider status
Last 60 days · refreshed daily on this page · live on /statusMore matchups
GLM-5 vs …
Models sharing the most benchmarksMore matchups
GPT-5 nano vs …
Models sharing the most benchmarksBuilt by Respan
Which one wins on your data?
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