--- title: "grok-4.20-reasoning Cost Calculator - Perplexity" description: "Calculate the cost of using grok-4.20-reasoning from Perplexity. Input costs $1.25 and output $2.50 per 1M tokens." url: "https://www.getmaxim.ai/bifrost/llm-cost-calculator/provider/perplexity/model/grok-4.20-reasoning" markdown: "https://www.getmaxim.ai/bifrost/llm-cost-calculator/provider/perplexity/model/grok-4.20-reasoning.md" --- # grok-4.20-reasoning Cost Calculator - Perplexity > Calculate the cost of using grok-4.20-reasoning from Perplexity. Input costs $1.25 and output $2.50 per 1M tokens. ## Important Links - [View MCP Gateway](https://www.getmaxim.ai/bifrost/resources/mcp-gateway.md) - [Features](https://www.getmaxim.ai/bifrost/#features) - [Enterprise](https://www.getmaxim.ai/enterprise) - [Pricing](https://www.getmaxim.ai/pricing) - [Docs](https://docs.getbifrost.ai) - [GitHub](https://github.com/maximhq/bifrost) - [Book a Demo](https://www.getmaxim.ai/book-a-demo) ## About grok-4.20-reasoning grok-4.20-reasoning is a responses model from Perplexity, one of 42 responses models they offer. It is priced at $1.25 per 1M input tokens and $2.50 per 1M output tokens, ranking 36 out of 115 responses models by cost and cheaper than 67% of models in this category. grok-4.20-reasoning supports function calling, web search. ## Pricing Published Perplexity pricing for grok-4.20-reasoning. - **$1.25 / 1M tokens Input.** - **$2.50 / 1M tokens Output.** ## Technical Specifications - **Responses Mode.** ## Model Capabilities grok-4.20-reasoning supports: Function Calling, Web Search. ## How Pricing Compares At $1.25 per 1M input tokens and $2.50 per 1M output tokens, grok-4.20-reasoning ranks 36 out of 115 responses models by input cost. It is more affordable compared to the median of $2.00 for responses models, and is cheaper than 67% of models in this category. grok-4.20-reasoning is one of 42 Perplexity responses models, with support for function calling, web search. | Model | Provider | Input $/1M | Output $/1M | vs grok-4.20-reasoning | | --- | --- | --- | --- | --- | | gpt-5-codex | OpenAI | $1.25 | $10.00 | 0% | | gpt-5.1-codex | OpenAI | $1.25 | $10.00 | 0% | | gpt-5.1-codex-max | OpenAI | $1.25 | $10.00 | 0% | | codex-mini | Azure | $1.50 | $6.00 | +20% | | gpt-5.1-codex | Azure | $1.38 | $11.00 | +10% | ## More from Perplexity - [gpt-5.1 ($1.25/1M input)](https://www.getmaxim.ai/bifrost/llm-cost-calculator/provider/perplexity/model/gpt-5.1.md) - [gpt-5 ($1.25/1M input)](https://www.getmaxim.ai/bifrost/llm-cost-calculator/provider/perplexity/model/gpt-5.md) - [grok-4.3 ($1.25/1M input)](https://www.getmaxim.ai/bifrost/llm-cost-calculator/provider/perplexity/model/grok-4.3.md) - [grok-4.20-non-reasoning ($1.25/1M input)](https://www.getmaxim.ai/bifrost/llm-cost-calculator/provider/perplexity/model/grok-4.20-non-reasoning.md) ## Related Resources - [Perplexity status](https://www.getmaxim.ai/bifrost/provider-status/perplexity.md) - [grok-4.20-reasoning specifications](https://www.getmaxim.ai/bifrost/model-library/compare/perplexity/grok-4.20-reasoning.md) - [All Perplexity pricing](https://www.getmaxim.ai/bifrost/llm-cost-calculator/provider/perplexity.md) ## FAQ ### Is grok-4.20-reasoning cheaper than gpt-5-codex? No. grok-4.20-reasoning costs $1.25 per 1M input tokens while gpt-5-codex costs $1.25 per 1M input tokens, making gpt-5-codex 0% more affordable for input. However, grok-4.20-reasoning may offer different capabilities or performance characteristics that justify the price difference. ### How does grok-4.20-reasoning pricing compare to the average responses model? grok-4.20-reasoning input pricing is $1.25 per 1M tokens, which is 37% below the median of $2.00 for responses models. It ranks 36 out of 115 responses models by input cost, making it cheaper than 67% of models in this category. For output, it costs $2.50 per 1M tokens compared to the median of $13.20. ### What makes grok-4.20-reasoning different from other Perplexity models? Among Perplexity's 42 responses models, grok-4.20-reasoning ranks 18 by input cost. ### What are the best alternatives to grok-4.20-reasoning? The most comparable responses models to grok-4.20-reasoning are: gpt-5-codex from OpenAI ($1.25/1M input tokens); gpt-5.1-codex from OpenAI ($1.25/1M input tokens); gpt-5.1-codex-max from OpenAI ($1.25/1M input tokens); codex-mini from Azure ($1.50/1M 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 Perplexity is down? You can monitor Perplexity service health in real time on the Bifrost Perplexity 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 grok-4.20-reasoning costs? grok-4.20-reasoning 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 $1.25 and generating 1M output tokens costs $2.50. ## Related Resources - [All Perplexity pricing](https://www.getmaxim.ai/bifrost/llm-cost-calculator/provider/perplexity.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) - [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/bifrost/resources.md) --- *This is a markdown version of [https://www.getmaxim.ai/bifrost/llm-cost-calculator/provider/perplexity/model/grok-4.20-reasoning](https://www.getmaxim.ai/bifrost/llm-cost-calculator/provider/perplexity/model/grok-4.20-reasoning) for AI/LLM consumption.*