Specifications
Context Window
—
Input Price/1M
$1.40
#553 of 689
Output Price/1M
$4.40
Parameters
—
Speed
85 tok/s
#154 of 526
Latency (TTFT)
1.9s
Cost per Task
27.7
AA Score / US$ · higher = better
Benchmarks
GLM-5.3 results on the main AI model evaluation benchmarks. Higher scores indicate better performance.
Coding
| Benchmark | Score | Maximum | Methodology |
|---|---|---|---|
| AA Coding Index | 74.8 | 100.0 | Artificial Analysis official API |
overall
| Benchmark | Score | Maximum | Methodology |
|---|---|---|---|
| LMArena Elo | 1484.0 | 2000.0 | Crowdsourced blind pairwise comparisons |
| AA Intelligence Index | 59.5 | 100.0 | Artificial Analysis official API |
Information
- Release date
- August 18, 2026
- Tool Calling
- ❌ Not supported
- Vision
- ❌ Not supported
- Audio
- ❌ Not supported
Full Analysis: GLM-5.3
What is GLM-5.3?
GLM-5.3 is an AI model developed by Z.ai, classified as a codigo model. It focuses on text processing and natural language generation. As a proprietary model, it is available via Z.ai's cloud API.
Pricing & Costs in 2026
GLM-5.3 is usage-based, priced at $1.4/1M input tokens and $4.4/1M output tokens. For context: 1 million tokens is approximately 750,000 words, or about 10 average-length books. The mid-range pricing balances quality and cost for most professional applications.
Benchmarks & Performance
GLM-5.3 was evaluated on 3 different benchmarks, covering categories like Coding, overall. Results show exceptional performance across available evaluations.
It's important to note that benchmarks measure specific aspects and don't capture the full user experience. Factors like instruction adherence, behavior in long conversations, and real-world task quality vary significantly between models and aren't always reflected in standard scores.
Recommended Use Cases
GLM-5.3 specializes in codigo, offering advanced capabilities for creating and processing codigo content.
Comparison with Alternatives
In the 2026 AI model ecosystem, GLM-5.3 competes directly with similarly capable models. Z.ai competes in this segment against OpenAI, Anthropic, Google, and Meta. The choice between models depends on the specific use case, budget, latency requirements, and need for features like multimodality and tool calling.
For a detailed side-by-side comparison, use our comparison tool or check the overall model ranking.
Frequently Asked Questions
What is GLM-5.3?
GLM-5.3 is an AI model developed by Z.ai. It is a codigo model.
How much does GLM-5.3 cost?
GLM-5.3 costs $1.4/1M input tokens and $4.4/1M output tokens. For heavy usage (e.g., a chatbot handling 100k messages/month), costs can range from $10 to $1,000 depending on volume.
How does GLM-5.3 compare with other models?
In available benchmarks, GLM-5.3 scored: AA Coding Index: 74.8/100, LMArena Elo: 1484/2000, AA Intelligence Index: 59.5/100. See the full table above for a detailed comparison.
Is GLM-5.3 open source?
No, GLM-5.3 is a proprietary model from Z.ai. It is available via cloud API. For open source alternatives, check our open source model ranking.
What is GLM-5.3 best for?
GLM-5.3 excels at general-purpose language tasks.
Last updated: August 22, 2026 • View methodology →