GLM 4.6 vs Sonar Deep Research (Comparative Analysis)
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Comparative Analysis: GLM 4.6 vs. Sonar Deep Research
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Overview
Sonar Deep Research was released 6 months before GLM 4.6.
 GLM 4.6 |  Sonar Deep Research | |
|---|---|---|
Model Provider The organization behind this AI's development | Z.AI | Perplexity |
Input Context Window Maximum input tokens this model can process at once | 202.8K tokens | 128K tokens |
Output Token Limit Maximum output tokens this model can generate at once | 131.1K tokens | Not specified tokens |
Release Date When this model first became publicly available | September 30, 2025 9 months ago September 30th, 2025 | March 7, 2025 1 year ago March 7th, 2025 |
Knowledge Cutoff Latest training-data date reported by the provider | March 31, 2025 | Not reported |
Capabilities & Features
Compare supported features, modalities, and advanced capabilities
GLM 4.6 | Sonar Deep Research | |
|---|---|---|
Input Types Supported input formats | 📝Text | 📝Text |
Reasoning Controls Defaults and configurable reasoning effort | Optional | Optional |
Output Types Supported output formats | 📝Text | 📝Text |
Tokenizer Text encoding system | Other | Other |
Key Features Advanced capabilities | ✓Function Calling✓Structured Output✓Reasoning ModeContent Moderation | Function CallingStructured Output✓Reasoning ModeContent Moderation |
Open Source Model availability | Available on HuggingFace → | Proprietary |
Pricing
GLM 4.6 is roughly 0.3x less expensive compared to Sonar Deep Research for input tokens and roughly 0.3x less expensive for output tokens.
| GLM 4.6 | Sonar Deep Research | |
|---|---|---|
Input Token Cost Cost per million input tokens | $0.50 per million tokens | $2.00 per million tokens |
Output Token Cost Cost per million output tokens | $2.00 per million tokens | $8.00 per million tokens |
Web Search Cost Additional cost for each web search operation | Not specified | $0.005 per search |
Cache Read Cost Cost to reuse cached input tokens | $0.10 per million tokens | Not specified |
Reasoning Token Cost Cost for internal reasoning tokens | Not specified | $3.00 per million tokens |
Benchmarks
Compare relevant benchmarks between GLM 4.6 and Sonar Deep Research.
| GLM 4.6 | Sonar Deep Research | |
|---|---|---|
Intelligence Index Overall model quality across independent evaluations | 28.7 (Artificial Analysis index; higher is better) | Benchmark not available. |
Coding Index Programming performance across independent evaluations | 45.8 (Artificial Analysis index; higher is better) | Benchmark not available. |
Agentic Index Ability to complete multi-step agentic tasks | 17.7 (Artificial Analysis index; higher is better) | Benchmark not available. |
Best Design Arena Score Highest human-preference Elo score across design arenas | 1,208 Elo (#44 in Game Dev (54.6% win rate)) | Benchmark not available. |
At a Glance
Quick overview of what makes GLM 4.6 and Sonar Deep Research unique.
GLM 4.6 by Z.AI can use external tools and APIs, offers advanced reasoning, generates structured data. It can handle standard conversations with its 202.8K token context window. Reasonably priced at $0.50/M input and $2.00/M output tokens. Released September 30th, 2025.Sonar Deep Research by Perplexity offers advanced reasoning. It can handle standard conversations with its 128K token context window. Reasonably priced at $2.00/M input and $8.00/M output tokens. Released March 7th, 2025.Explore More Comparisons
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