GPT-5.4 Nano vs GLM 5.2
Detailed technical comparison between GPT-5.4 Nano (OpenAI) and GLM 5.2 (Zhipu AI). Review live API token pricing, context window capabilities, time-to-first-token latency, and verified benchmark scores side-by-side.
Comparison Snapshot
GLM 5.2
1,048,576 tokensTie
Equal CapabilityTie
Equal SpeedGPT-5.4 Nano
$0.20 / MTokGPT-5.4 Nano
GPT-5.4 nano is the most lightweight and cost-efficient variant of the GPT-5.4 family, optimized for speed-critical and high-volume tasks. It supports text and image inputs and is designed for low-latency...
GLM 5.2
GLM 5.2 is a large-scale reasoning model from Z.ai. It supports text input and output with a 1M-token context window, and is suited for long-horizon agent workflows, project-level software engineering,...
Technical Specifications
🏆 = Superior Spec| Specification | GPT-5.4 Nano | GLM 5.2 |
|---|---|---|
| Provider | OpenAI | Zhipu AI |
| Context Window | 400,000 tokens | 1,048,576 tokens🏆 |
| Agent Suitability | N/A | N/A |
| Time to First Token (TTFT) | N/A | N/A |
| Deployment Model | managed api | managed api |
| Production Stability | stable | beta |
| API Available | Yes | Yes |
| Released Date | 2026-03-17 | 2026-06-16 |
API Pricing Comparison
Input Price per Million Tokens
GPT-5.4 Nano
$0.20
GLM 5.2
$0.80
Output Price per Million Tokens
GPT-5.4 Nano
$1.25
GLM 5.2
$2.52
💡 Cost Ratio: GPT-5.4 Nano is 4.0x cheaper per input token than GLM 5.2.
Want to test both models live?
Run side-by-side prompt benchmarks in our dynamic multi-model Sandbox. Compare execution speeds, latency metrics, and compute actual costs in real-time.
Benchmark Performance Metrics
Standardized Scores (0–100%)Scores show verified raw accuracy percentages across standardized AI evaluation suites. Higher bars indicate superior performance in that domain.
GPT-5.4 Nano Quirks & Gotchas
No developer gotchas reported.
GLM 5.2 Quirks & Gotchas
No developer gotchas reported.
Explore Other Popular Comparisons
GPT-5.4 Nano vs Hermes 3 405B Instruct
Compare context windows, live API token prices, and benchmark scores.
SIDE-BY-SIDE REVIEWGPT-5.4 Nano vs Kimi K3
Compare context windows, live API token prices, and benchmark scores.
SIDE-BY-SIDE REVIEWGPT-5.4 Nano vs GPT-4o-mini
Compare context windows, live API token prices, and benchmark scores.
SIDE-BY-SIDE REVIEWGPT-5.4 Nano vs Muse Spark 1.1
Compare context windows, live API token prices, and benchmark scores.
SIDE-BY-SIDE REVIEWGPT-5.4 Nano vs Nano Banana 2 (Gemini 3.1 Flash Image)
Compare context windows, live API token prices, and benchmark scores.
SIDE-BY-SIDE REVIEWGPT-5.4 Nano vs Nemotron 3 Ultra
Compare context windows, live API token prices, and benchmark scores.