GLM 4.6V vs GPT-5.6 Sol Pro
How do these models stack up? Below is an expert side-by-side comparison of specifications, context window capacity, live pricing per million tokens, and standardized benchmark scores for GLM 4.6V and GPT-5.6 Sol Pro.
GLM 4.6V
GLM-4.6V is a large multimodal model designed for high-fidelity visual understanding and long-context reasoning across images, documents, and mixed media. It supports up to 128K tokens, processes complex page layouts...
GPT-5.6 Sol Pro
GPT-5.6 Sol Pro is the same underlying model as [GPT-5.6 Sol](https://openrouter.ai/openai/gpt-5.6-sol), served with `reasoning.mode` set to `pro` for higher-quality responses on complex tasks. Learn more in OpenAI's docs: https://developers.openai.com/api/docs/guides/reasoning#reasoning-mode
Technical Specifications
| Specification | GLM 4.6V | GPT-5.6 Sol Pro |
|---|---|---|
| Provider | Zhipu AI | OpenAI |
| Context Window | 131,072 tokens | 1,050,000 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 | 2025-12-08 | 2026-07-09 |
API Pricing Comparison
Input Price per Million Tokens
GLM 4.6V
$0.30
GPT-5.6 Sol Pro
$5.00
Output Price per Million Tokens
GLM 4.6V
$0.90
GPT-5.6 Sol Pro
$30.00
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Benchmark Performance Metrics
Scores show the raw performance percentages verified across key evaluation suites. Higher bars indicate superior accuracy and capability in that domain.
GLM 4.6V Quirks & Gotchas
No developer gotchas reported.
GPT-5.6 Sol Pro Quirks & Gotchas
No developer gotchas reported.