--- title: "gpt-5.3-codex - Model Details & Comparison" description: "gpt-5.3-codex from Azure: 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/azure/gpt-5.3-codex" markdown: "https://maxim-root-proxy-preview.getmaxim.workers.dev/bifrost/model-library/compare/azure/gpt-5.3-codex.md" --- # gpt-5.3-codex - Model Details & Comparison > gpt-5.3-codex from Azure: 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-5.3-codex gpt-5.3-codex is a responses model from Azure, one of 25 responses models they offer. It is priced at $1.75 per 1M input tokens and $14.00 per 1M output tokens, ranking 21 out of 53 responses models by cost and cheaper than 57% of models in this category. gpt-5.3-codex supports vision, function calling, reasoning, prompt caching, structured output. It accepts up to 272K input tokens. ## Specifications - **Azure Provider.** - **Responses Mode.** - **272,000 Max Input Tokens.** - **128,000 Max Output Tokens.** - **128,000 Max Tokens.** - **$1.75 / 1M tokens Input Price.** - **$14.00 / 1M tokens Output Price.** ## Capabilities gpt-5.3-codex supports: Function Calling, Vision, Reasoning, Prompt Caching, Parallel Function Calling, System Messages, Response Schema, Tool Choice, PDF Input. ## gpt-5.3-codex Pricing Overview At $1.75 per 1M input tokens and $14.00 per 1M output tokens, gpt-5.3-codex ranks 21 out of 53 responses models by input cost. It is more affordable compared to the median of $2.75 for responses models, and is cheaper than 57% of models in this category. gpt-5.3-codex is one of 25 Azure responses models, with support for vision, function calling, reasoning, prompt caching, structured output. ## Models to Compare Alternatives to gpt-5.3-codex with comparable capabilities. | Model | Provider | Input $/1M | Output $/1M | | --- | --- | --- | --- | | codex-mini-latest | OpenAI | $1.50 | $6.00 | | gpt-5.2-codex | OpenAI | $1.75 | $14.00 | | gpt-5.3-codex | OpenAI | $1.75 | $14.00 | | o4-mini-deep-research | OpenAI | $2.00 | $8.00 | | o4-mini-deep-research-2025-06-26 | OpenAI | $2.00 | $8.00 | - [Compare codex-mini-latest](https://maxim-root-proxy-preview.getmaxim.workers.dev/bifrost/model-library/compare/openai/codex-mini-latest.md) - [Compare gpt-5.2-codex](https://maxim-root-proxy-preview.getmaxim.workers.dev/bifrost/model-library/compare/openai/gpt-5.2-codex.md) - [Compare gpt-5.3-codex](https://maxim-root-proxy-preview.getmaxim.workers.dev/bifrost/model-library/compare/openai/gpt-5.3-codex.md) - [Compare o4-mini-deep-research](https://maxim-root-proxy-preview.getmaxim.workers.dev/bifrost/model-library/compare/openai/o4-mini-deep-research.md) - [Compare o4-mini-deep-research-2025-06-26](https://maxim-root-proxy-preview.getmaxim.workers.dev/bifrost/model-library/compare/openai/o4-mini-deep-research-2025-06-26.md) ## Related Resources - [Calculate gpt-5.3-codex costs](https://maxim-root-proxy-preview.getmaxim.workers.dev/bifrost/llm-cost-calculator/provider/azure/model/gpt-5.3-codex.md) - [Check Azure AI status](https://maxim-root-proxy-preview.getmaxim.workers.dev/bifrost/provider-status/azure.md) - [All Azure pricing](https://maxim-root-proxy-preview.getmaxim.workers.dev/bifrost/llm-cost-calculator/provider/azure.md) ## FAQ ### Is gpt-5.3-codex cheaper than codex-mini-latest? No. gpt-5.3-codex costs $1.75 per 1M input tokens while codex-mini-latest costs $1.50 per 1M input tokens, making codex-mini-latest 14% more affordable for input. However, gpt-5.3-codex may offer different capabilities or performance characteristics that justify the price difference. ### How does gpt-5.3-codex pricing compare to the average responses model? gpt-5.3-codex input pricing is $1.75 per 1M tokens, which is 36% below the median of $2.75 for responses models. It ranks 21 out of 53 responses models by input cost, making it cheaper than 57% of models in this category. For output, it costs $14.00 per 1M tokens compared to the median of $16.50. ### What makes gpt-5.3-codex different from other Azure models? Among Azure's 25 responses models, gpt-5.3-codex ranks 15 by input cost. ### What are the best alternatives to gpt-5.3-codex? The most comparable responses models to gpt-5.3-codex are: codex-mini-latest from OpenAI ($1.50/1M input tokens); gpt-5.2-codex from OpenAI ($1.75/1M input tokens); gpt-5.3-codex from OpenAI ($1.75/1M input tokens); o4-mini-deep-research from OpenAI ($2.00/1M 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 check if Azure AI is down? You can monitor Azure AI service health in real time on the Bifrost Azure AI Status page. It tracks current component status, active incidents, and historical reliability data pulled from the official status page every 60 seconds. ### How do I calculate gpt-5.3-codex costs? gpt-5.3-codex 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 $1.75 and generating 1M output tokens costs $14.00. ## Related Resources - [Azure models](https://maxim-root-proxy-preview.getmaxim.workers.dev/bifrost/model-library/provider/azure.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/azure/gpt-5.3-codex](https://maxim-root-proxy-preview.getmaxim.workers.dev/bifrost/model-library/compare/azure/gpt-5.3-codex) for AI/LLM consumption.*