--- title: "glm-5.3-prime - Model Details & Comparison" description: "glm-5.3-prime from OpenRouter: capabilities, context limits, pricing, and side-by-side comparisons with alternative models." url: "https://www.getmaxim.ai/bifrost/model-library/compare/openrouter/glm-5.3-prime" markdown: "https://www.getmaxim.ai/bifrost/model-library/compare/openrouter/glm-5.3-prime.md" --- # glm-5.3-prime - Model Details & Comparison > glm-5.3-prime from OpenRouter: capabilities, context limits, pricing, and side-by-side comparisons with alternative models. ## Important Links - [View MCP Gateway](https://www.getmaxim.ai/resources/mcp-gateway.md) - [Features](https://www.getmaxim.ai/bifrost/#features) - [Enterprise](https://www.getmaxim.ai/enterprise) - [Pricing](https://www.getmaxim.ai/pricing.md) - [Docs](https://docs.getbifrost.ai) - [GitHub](https://github.com/maximhq/bifrost) - [Book a Demo](https://www.getmaxim.ai/book-a-demo) ## About glm-5.3-prime glm-5.3-prime is a chat model from OpenRouter, one of 491 chat models they offer. It is priced at $2.80 per 1M input tokens and $8.80 per 1M output tokens, ranking 3415 out of 4042 chat models by cost and cheaper than 16% of models in this category. glm-5.3-prime supports function calling, reasoning, prompt caching, structured output. Its 1,000K-token context window is in the top 28% among chat models. ## Specifications - **OpenRouter Provider.** - **Chat Mode.** - **1,000,000 Max Input Tokens.** - **131,072 Max Output Tokens.** - **131,072 Max Tokens.** - **$2.80 / 1M tokens Input Price.** - **$8.80 / 1M tokens Output Price.** ## Capabilities glm-5.3-prime supports: Function Calling, Reasoning, Prompt Caching, Response Schema, Tool Choice. ## glm-5.3-prime Pricing Overview At $2.80 per 1M input tokens and $8.80 per 1M output tokens, glm-5.3-prime ranks 3415 out of 4042 chat models by input cost. It is more expensive compared to the median of $0.60 for chat models, and is cheaper than 16% of models in this category. glm-5.3-prime is one of 491 OpenRouter chat models, with support for function calling, reasoning, prompt caching, structured output. its 1,000K-token context window places it in the top 28% of chat models. ## Models to Compare Alternatives to glm-5.3-prime with comparable capabilities. | Model | Provider | Input $/1M | Output $/1M | | --- | --- | --- | --- | | abliterated-model-large | Abliteration | $3.00 | $5.00 | | abliterated-model-large-v2 | Abliteration | $3.00 | $5.00 | | anthropic.claude-3-7-sonnet-20240620-v1:0 | AWS Bedrock | $3.00 | $15.00 | | anthropic.claude-3-7-sonnet-20250219-v1:0 | AWS Bedrock | $3.00 | $15.00 | | anthropic.claude-sonnet-4-6 | AWS Bedrock | $3.00 | $15.00 | ## Related Resources - [Calculate glm-5.3-prime costs](https://www.getmaxim.ai/bifrost/llm-cost-calculator/provider/openrouter/model/glm-5.3-prime.md) - [Check OpenRouter status](https://www.getmaxim.ai/bifrost/provider-status/openrouter.md) - [All OpenRouter pricing](https://www.getmaxim.ai/bifrost/llm-cost-calculator/provider/openrouter.md) ## FAQ ### Is glm-5.3-prime cheaper than abliterated-model-large? Yes. glm-5.3-prime costs $2.80 per 1M input tokens compared to abliterated-model-large's $3.00 per 1M input tokens, making it 7% more affordable. Both are chat models and share support for function calling, reasoning, prompt caching, structured output. ### How does glm-5.3-prime pricing compare to the average chat model? glm-5.3-prime input pricing is $2.80 per 1M tokens, which is 367% above the median of $0.60 for chat models. It ranks 3415 out of 4042 chat models by input cost, making it cheaper than 16% of models in this category. For output, it costs $8.80 per 1M tokens compared to the median of $1.80. ### What makes glm-5.3-prime different from other OpenRouter models? Among OpenRouter's 491 chat models, glm-5.3-prime ranks 387 by input cost. ### What are the best alternatives to glm-5.3-prime? The most comparable chat models to glm-5.3-prime are: abliterated-model-large from Abliteration ($3.00/1M input tokens); abliterated-model-large-v2 from Abliteration ($3.00/1M input tokens); anthropic.claude-3-7-sonnet-20240620-v1:0 from AWS Bedrock ($3.00/1M input tokens); anthropic.claude-3-7-sonnet-20250219-v1:0 from AWS Bedrock ($3.00/1M input tokens). These alternatives were selected based on similar capabilities, pricing, and provider diversity. You can compare any of these models in detail using the Bifrost Model Library. ### How large is glm-5.3-prime's context window? glm-5.3-prime supports up to 1,000,000 input tokens, placing it in the top 28% of chat models by context window size (rank 1015 of 4003). This makes it suitable for processing long documents, extensive code repositories, or maintaining detailed conversation histories. ### How do I check if OpenRouter is down? You can monitor OpenRouter service health in real time on the Bifrost OpenRouter Status page. It tracks current component status, active incidents, and historical reliability data pulled from the official status page every 60 seconds. ### How do I calculate glm-5.3-prime costs? glm-5.3-prime is priced based on input and output tokens. Use the interactive calculator at the top of this page to estimate costs for your specific workload. Enter your expected input and output tokens volume and the calculator will show the total cost breakdown. For reference, processing 1M input tokens costs $2.80 and generating 1M output tokens costs $8.80. ## Related Resources - [Model library](https://www.getmaxim.ai/bifrost/model-library.md) - [LLM cost calculator](https://www.getmaxim.ai/bifrost/llm-cost-calculator.md) - [Docs: Bifrost docs](https://docs.getbifrost.ai) - [GitHub: maximhq/bifrost](https://github.com/maximhq/bifrost) - [Pricing: Bifrost pricing](https://www.getmaxim.ai/pricing.md) - [Enterprise: Bifrost enterprise](https://www.getmaxim.ai/enterprise) - [Book a Demo: Bifrost demo](https://www.getmaxim.ai/book-a-demo) - [Resources: Bifrost resources](https://www.getmaxim.ai/resources.md) --- *This is a markdown version of [https://www.getmaxim.ai/bifrost/model-library/compare/openrouter/glm-5.3-prime](https://www.getmaxim.ai/bifrost/model-library/compare/openrouter/glm-5.3-prime) for AI/LLM consumption.*