Calculate the cost of using gpt-oss-20b from Cloudflare for your AI applications
Pricing data last updated:
Mode: Chat
Max: 128,000 tokens
Max: 128,000 tokens
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gpt-oss-20b is a chat model from Cloudflare, one of 52 chat models they offer. It is priced at $0.20 per 1M input tokens and $0.30 per 1M output tokens, ranking 647 out of 2628 chat models by cost and cheaper than 70% of models in this category. gpt-oss-20b supports function calling, reasoning. It accepts up to 128K input tokens.
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 128,000 input tokens. The maximum output length is 128,000 tokens.
At $0.20 per 1M input tokens and $0.30 per 1M output tokens, gpt-oss-20b ranks 647 out of 2628 chat models by input cost. It is more affordable compared to the median of $0.50 for chat models, and is cheaper than 70% of models in this category.
gpt-oss-20b is one of 52 Cloudflare chat models, with support for function calling, reasoning.
| Model | Provider | Input / 1M tokens | Output / 1M tokens | vs gpt-oss-20b |
|---|---|---|---|---|
| gpt-5.4-nano | Azure | $0.20 | $1.25 | 0% |
| gpt-5.4-nano-2026-03-17 | Azure | $0.20 | $1.25 | 0% |
| gpt-5-mini | Azure | $0.25 | $2.00 | +25% |
Similar chat models from other providers
No. gpt-oss-20b costs $0.20 per 1M input tokens while gpt-5.4-nano costs $0.20 per 1M input tokens, making gpt-5.4-nano 0% more affordable for input. However, gpt-oss-20b may offer different capabilities or performance characteristics that justify the price difference.
gpt-oss-20b input pricing is $0.20 per 1M tokens, which is 60% below the median of $0.50 for chat models. It ranks 647 out of 2628 chat models by input cost, making it cheaper than 70% of models in this category. For output, it costs $0.30 per 1M tokens compared to the median of $1.44.
Among Cloudflare's 52 chat models, gpt-oss-20b ranks 19 by input cost.
The most comparable chat models to gpt-oss-20b are: gpt-5.4-nano from Azure ($0.20/1M input tokens); gpt-5.4-nano-2026-03-17 from Azure ($0.20/1M input tokens); gpt-5-mini from Azure ($0.25/1M input tokens); deepseek-v4-flash from Azure ($0.19/1M 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.
gpt-oss-20b 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 $0.20 and generating 1M output tokens costs $0.30.