--- title: "glm-5.3-flash - Model Details & Comparison" description: "glm-5.3-flash from Clf AI Gateway: capabilities, context limits, pricing, and side-by-side comparisons with alternative models." url: "https://www.getmaxim.ai/bifrost/model-library/compare/clf_ai_gateway/glm-5.3-flash" markdown: "https://www.getmaxim.ai/bifrost/model-library/compare/clf_ai_gateway/glm-5.3-flash.md" --- # glm-5.3-flash - Model Details & Comparison > glm-5.3-flash from Clf AI Gateway: 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-flash glm-5.3-flash is a chat model from Clf Ai Gateway, one of 10 chat models they offer. It is priced at $0.06 per 1M input tokens and $0.20 per 1M output tokens, ranking 247 out of 4042 chat models by cost and cheaper than 94% of models in this category. glm-5.3-flash supports vision, function calling, reasoning, prompt caching, structured output. Its 1,049K-token context window is in the top 15% among chat models. ## Specifications - **Clf AI Gateway Provider.** - **Chat Mode.** - **1,048,576 Max Input Tokens.** - **131,072 Max Output Tokens.** - **$0.06 / 1M tokens Input Price.** - **$0.20 / 1M tokens Output Price.** ## Capabilities glm-5.3-flash supports: Function Calling, Vision, Reasoning, Prompt Caching, Parallel Function Calling, System Messages, Response Schema, Tool Choice. ## glm-5.3-flash Pricing Overview At $0.06 per 1M input tokens and $0.20 per 1M output tokens, glm-5.3-flash ranks 247 out of 4042 chat models by input cost. It is more affordable compared to the median of $0.60 for chat models, and is cheaper than 94% of models in this category. glm-5.3-flash is one of 10 Clf Ai Gateway chat models, with support for vision, function calling, reasoning, prompt caching, structured output. its 1,049K-token context window places it in the top 15% of chat models. ## Models to Compare Alternatives to glm-5.3-flash with comparable capabilities. | Model | Provider | Input $/1M | Output $/1M | | --- | --- | --- | --- | | gpt-5-nano-2025-08-07 | Azure | $0.06 | $0.44 | | gpt-5-nano | Azure | $0.05 | $0.40 | | Qwen3.6-35B-A3B | Sail | $0.05 | $0.40 | | gpt-5-nano | OpenAI | $0.05 | $0.40 | | gpt-5-nano-2025-08-07 | OpenAI | $0.05 | $0.40 | - [Compare gpt-5-nano-2025-08-07](https://www.getmaxim.ai/bifrost/model-library/compare/azure/gpt-5-nano-2025-08-07.md) - [Compare gpt-5-nano](https://www.getmaxim.ai/bifrost/model-library/compare/azure/gpt-5-nano.md) - [Compare gpt-5-nano](https://www.getmaxim.ai/bifrost/model-library/compare/openai/gpt-5-nano.md) - [Compare gpt-5-nano-2025-08-07](https://www.getmaxim.ai/bifrost/model-library/compare/openai/gpt-5-nano-2025-08-07.md) ## Related Resources - [Calculate glm-5.3-flash costs](https://www.getmaxim.ai/bifrost/llm-cost-calculator/provider/clf_ai_gateway/model/glm-5.3-flash.md) - [All Clf Ai Gateway pricing](https://www.getmaxim.ai/bifrost/llm-cost-calculator/provider/clf_ai_gateway.md) ## FAQ ### Is glm-5.3-flash cheaper than gpt-5-nano-2025-08-07? No. glm-5.3-flash costs $0.06 per 1M input tokens while gpt-5-nano-2025-08-07 costs $0.06 per 1M input tokens, making gpt-5-nano-2025-08-07 8% more affordable for input. However, glm-5.3-flash may offer different capabilities or performance characteristics that justify the price difference. ### How does glm-5.3-flash pricing compare to the average chat model? glm-5.3-flash input pricing is $0.06 per 1M tokens, which is 90% below the median of $0.60 for chat models. It ranks 247 out of 4042 chat models by input cost, making it cheaper than 94% of models in this category. For output, it costs $0.20 per 1M tokens compared to the median of $1.80. ### What makes glm-5.3-flash different from other Clf Ai Gateway models? Among Clf Ai Gateway's 10 chat models, glm-5.3-flash ranks 2 by input cost. ### What are the best alternatives to glm-5.3-flash? The most comparable chat models to glm-5.3-flash are: gpt-5-nano-2025-08-07 from Azure ($0.06/1M input tokens); gpt-5-nano from Azure ($0.05/1M input tokens); Qwen3.6-35B-A3B from Sail ($0.05/1M input tokens); gpt-5-nano from OpenAI ($0.05/1M 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-flash's context window? glm-5.3-flash supports up to 1,048,576 input tokens, placing it in the top 15% of chat models by context window size (rank 399 of 4003). This makes it suitable for processing long documents, extensive code repositories, or maintaining detailed conversation histories. ### How do I calculate glm-5.3-flash costs? glm-5.3-flash 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 $0.06 and generating 1M output tokens costs $0.20. ## 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/clf_ai_gateway/glm-5.3-flash](https://www.getmaxim.ai/bifrost/model-library/compare/clf_ai_gateway/glm-5.3-flash) for AI/LLM consumption.*