--- title: "gpt-oss-120b-maas - Model Details & Comparison" description: "gpt-oss-120b-maas from Google Vertex AI: capabilities, context limits, pricing, and side-by-side comparisons with alternative models." url: "https://maxim-root-proxy-preview.getmaxim.workers.dev/bifrost/model-library/compare/vertex_ai/gpt-oss-120b-maas" markdown: "https://maxim-root-proxy-preview.getmaxim.workers.dev/bifrost/model-library/compare/vertex_ai/gpt-oss-120b-maas.md" --- # gpt-oss-120b-maas - Model Details & Comparison > gpt-oss-120b-maas from Google Vertex AI: capabilities, context limits, pricing, and side-by-side comparisons with alternative models. ## Important Links - [View MCP Gateway](https://maxim-root-proxy-preview.getmaxim.workers.dev/bifrost/resources/mcp-gateway.md) - [Features](https://maxim-root-proxy-preview.getmaxim.workers.dev/bifrost/#features) - [Enterprise](https://maxim-root-proxy-preview.getmaxim.workers.dev/bifrost/enterprise) - [Pricing](https://maxim-root-proxy-preview.getmaxim.workers.dev/bifrost/pricing.md) - [Docs](https://docs.getbifrost.ai) - [GitHub](https://github.com/maximhq/bifrost) - [Book a Demo](https://maxim-root-proxy-preview.getmaxim.workers.dev/bifrost/book-a-demo) ## About gpt-oss-120b-maas gpt-oss-120b-maas is a chat model from Vertex AI, one of 112 chat models they offer. It is priced at $0.09 per 1M input tokens and $0.36 per 1M output tokens, ranking 273 out of 2669 chat models by cost and cheaper than 89% of models in this category. gpt-oss-120b-maas supports reasoning. It accepts up to 131K input tokens. ## Specifications - **Google Vertex AI Provider.** - **Chat Mode.** - **131,072 Max Input Tokens.** - **32,768 Max Output Tokens.** - **32,768 Max Tokens.** - **$0.09 / 1M tokens Input Price.** - **$0.36 / 1M tokens Output Price.** ## Capabilities gpt-oss-120b-maas supports: Reasoning. ## gpt-oss-120b-maas Pricing Overview At $0.09 per 1M input tokens and $0.36 per 1M output tokens, gpt-oss-120b-maas ranks 273 out of 2669 chat models by input cost. It is more affordable compared to the median of $0.50 for chat models, and is cheaper than 89% of models in this category. gpt-oss-120b-maas is one of 112 Vertex AI chat models, with support for reasoning. ## Models to Compare Alternatives to gpt-oss-120b-maas with comparable capabilities. | Model | Provider | Input $/1M | Output $/1M | | --- | --- | --- | --- | | gemma-4-26b-a4b-it | Cloudflare | $0.10 | $0.30 | | gemini-2.5-flash-lite | Google Gemini | $0.10 | $0.40 | | gemini-2.5-flash-lite-preview-09-2025 | Google Gemini | $0.10 | $0.40 | | gemini-2.5-flash-lite-preview-06-17 | Google Gemini | $0.10 | $0.40 | | gpt-oss-20b | Groq | $0.07 | $0.30 | - [Compare gemma-4-26b-a4b-it](https://maxim-root-proxy-preview.getmaxim.workers.dev/bifrost/model-library/compare/cloudflare/gemma-4-26b-a4b-it.md) - [Compare gemini-2.5-flash-lite](https://maxim-root-proxy-preview.getmaxim.workers.dev/bifrost/model-library/compare/gemini/gemini-2.5-flash-lite.md) - [Compare gemini-2.5-flash-lite-preview-09-2025](https://maxim-root-proxy-preview.getmaxim.workers.dev/bifrost/model-library/compare/gemini/gemini-2.5-flash-lite-preview-09-2025.md) - [Compare gemini-2.5-flash-lite-preview-06-17](https://maxim-root-proxy-preview.getmaxim.workers.dev/bifrost/model-library/compare/gemini/gemini-2.5-flash-lite-preview-06-17.md) - [Compare gpt-oss-20b](https://maxim-root-proxy-preview.getmaxim.workers.dev/bifrost/model-library/compare/groq/gpt-oss-20b.md) ## Related Resources - [Calculate gpt-oss-120b-maas costs](https://maxim-root-proxy-preview.getmaxim.workers.dev/bifrost/llm-cost-calculator/provider/vertex_ai/model/gpt-oss-120b-maas.md) - [All Vertex AI pricing](https://maxim-root-proxy-preview.getmaxim.workers.dev/bifrost/llm-cost-calculator/provider/vertex_ai.md) ## FAQ ### Is gpt-oss-120b-maas cheaper than gemma-4-26b-a4b-it? Yes. gpt-oss-120b-maas costs $0.09 per 1M input tokens compared to gemma-4-26b-a4b-it's $0.10 per 1M input tokens, making it 11% more affordable. Both are chat models and share support for function calling, reasoning. ### How does gpt-oss-120b-maas pricing compare to the average chat model? gpt-oss-120b-maas input pricing is $0.09 per 1M tokens, which is 82% below the median of $0.50 for chat models. It ranks 273 out of 2669 chat models by input cost, making it cheaper than 89% of models in this category. For output, it costs $0.36 per 1M tokens compared to the median of $1.44. ### What makes gpt-oss-120b-maas different from other Vertex AI models? Among Vertex AI's 112 chat models, gpt-oss-120b-maas ranks 7 by input cost. ### What are the best alternatives to gpt-oss-120b-maas? The most comparable chat models to gpt-oss-120b-maas are: gemma-4-26b-a4b-it from Cloudflare ($0.10/1M input tokens); gemini-2.5-flash-lite from Google Gemini ($0.10/1M input tokens); gemini-2.5-flash-lite-preview-09-2025 from Google Gemini ($0.10/1M input tokens); gemini-2.5-flash-lite-preview-06-17 from Google Gemini ($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 do I calculate gpt-oss-120b-maas costs? gpt-oss-120b-maas 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 $0.09 and generating 1M output tokens costs $0.36. ## Related Resources - [Google Vertex AI models](https://maxim-root-proxy-preview.getmaxim.workers.dev/bifrost/model-library/provider/vertex_ai.md) - [Model library](https://maxim-root-proxy-preview.getmaxim.workers.dev/bifrost/model-library.md) - [LLM cost calculator](https://maxim-root-proxy-preview.getmaxim.workers.dev/bifrost/llm-cost-calculator.md) - [Docs: Bifrost docs](https://docs.getbifrost.ai) - [GitHub: maximhq/bifrost](https://github.com/maximhq/bifrost) - [Pricing: Bifrost pricing](https://maxim-root-proxy-preview.getmaxim.workers.dev/bifrost/pricing.md) - [Enterprise: Bifrost enterprise](https://maxim-root-proxy-preview.getmaxim.workers.dev/bifrost/enterprise) - [Book a Demo: Bifrost demo](https://maxim-root-proxy-preview.getmaxim.workers.dev/bifrost/book-a-demo) - [Resources: Bifrost resources](https://maxim-root-proxy-preview.getmaxim.workers.dev/bifrost/resources.md) --- *This is a markdown version of [https://maxim-root-proxy-preview.getmaxim.workers.dev/bifrost/model-library/compare/vertex_ai/gpt-oss-120b-maas](https://maxim-root-proxy-preview.getmaxim.workers.dev/bifrost/model-library/compare/vertex_ai/gpt-oss-120b-maas) for AI/LLM consumption.*