--- title: "glm-5.3-flash Cost Calculator - Bigmodel" description: "Calculate the cost of using glm-5.3-flash from Bigmodel. Input costs $0.11 and output $0.40 per 1M tokens." url: "https://www.getmaxim.ai/bifrost/llm-cost-calculator/provider/bigmodel/model/glm-5.3-flash" markdown: "https://www.getmaxim.ai/bifrost/llm-cost-calculator/provider/bigmodel/model/glm-5.3-flash.md" --- # glm-5.3-flash Cost Calculator - Bigmodel > Calculate the cost of using glm-5.3-flash from Bigmodel. Input costs $0.11 and output $0.40 per 1M tokens. ## 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 Bigmodel, one of 3 chat models they offer. It is priced at $0.11 per 1M input tokens and $0.40 per 1M output tokens, ranking 605 out of 4040 chat models by cost and cheaper than 85% of models in this category. glm-5.3-flash supports vision, function calling, reasoning, prompt caching. Its 1,000K-token context window is in the top 29% among chat models. ## Pricing Published Bigmodel pricing for glm-5.3-flash. - **$0.11 / 1M tokens Input.** - **$0.40 / 1M tokens Output.** ## Technical Specifications - **Chat Mode.** - **1,000,000 Max Input Tokens.** - **128,000 Max Output Tokens.** ## Model Capabilities glm-5.3-flash supports: Function Calling, Vision, Reasoning, Video Input, Prompt Caching, Tool Choice. ## How Pricing Compares At $0.11 per 1M input tokens and $0.40 per 1M output tokens, glm-5.3-flash ranks 605 out of 4040 chat models by input cost. It is more affordable compared to the median of $0.60 for chat models, and is cheaper than 85% of models in this category. glm-5.3-flash is one of 3 Bigmodel chat models, with support for vision, function calling, reasoning, prompt caching. its 1,000K-token context window places it in the top 29% of chat models. | Model | Provider | Input $/1M | Output $/1M | vs glm-5.3-flash | | --- | --- | --- | --- | --- | | gpt-6-luna | Azure | $0.10 | $0.50 | -13% | | gpt-6-luna-2026-09-22 | Azure | $0.10 | $0.50 | -13% | | Gemma-4-31B-IT-NVFP4 | Sail | $0.14 | $0.40 | +23% | | gemini-2.5-flash-lite | Vertex AI | $0.10 | $0.40 | -13% | | gemini-2.5-flash-lite-preview-09-2025 | Vertex AI | $0.10 | $0.40 | -13% | ## More from Bigmodel - [glm-5.3-flashx ($0.29/1M input)](https://www.getmaxim.ai/bifrost/llm-cost-calculator/provider/bigmodel/model/glm-5.3-flashx.md) - [glm-5.3 ($1.14/1M input)](https://www.getmaxim.ai/bifrost/llm-cost-calculator/provider/bigmodel/model/glm-5.3.md) ## Related Resources - [All Bigmodel pricing](https://www.getmaxim.ai/bifrost/llm-cost-calculator/provider/bigmodel.md) ## FAQ ### Is glm-5.3-flash cheaper than gpt-6-luna? No. glm-5.3-flash costs $0.11 per 1M input tokens while gpt-6-luna costs $0.10 per 1M input tokens, making gpt-6-luna 13% 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 $0.11 per 1M tokens, which is 81% below the median of $0.60 for chat models. It ranks 605 out of 4040 chat models by input cost, making it cheaper than 85% of models in this category. For output, it costs $0.40 per 1M tokens compared to the median of $1.80. ### What makes glm-5.3-flash different from other Bigmodel models? Among Bigmodel's 3 chat models, glm-5.3-flash ranks 1 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-6-luna from Azure ($0.10/1M input tokens); gpt-6-luna-2026-09-22 from Azure ($0.10/1M input tokens); Gemma-4-31B-IT-NVFP4 from Sail ($0.14/1M input tokens); gemini-2.5-flash-lite from Vertex AI ($0.10/1M 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 1,000,000 input tokens, placing it in the top 29% of chat models by context window size (rank 991 of 3774). 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 $0.11 and generating 1M output tokens costs $0.40. ## Related Resources - [All Bigmodel pricing](https://www.getmaxim.ai/bifrost/llm-cost-calculator/provider/bigmodel.md) - [LLM cost calculator](https://www.getmaxim.ai/bifrost/llm-cost-calculator.md) - [Model library](https://www.getmaxim.ai/bifrost/model-library.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/llm-cost-calculator/provider/bigmodel/model/glm-5.3-flash](https://www.getmaxim.ai/bifrost/llm-cost-calculator/provider/bigmodel/model/glm-5.3-flash) for AI/LLM consumption.*