Calculate the cost of using glm-5.3-flash from Bigmodel for your AI applications
Pricing data last updated:
Mode: Chat
Max: 1,000,000 tokens
Max: 128,000 tokens
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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.
Note: Use the interactive calculator above to estimate costs for your specific usage patterns.
Use the maximum token limits shown above to understand the model's capacity. This model can handle up to 1,000,000 input tokens. The maximum output length is 128,000 tokens.
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 tokens | Output / 1M tokens | 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% |
Similar chat models from other providers
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.
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.
Among Bigmodel's 3 chat models, glm-5.3-flash ranks 1 by input cost.
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.
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.
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.