Calculate the cost of using grok-4.20-multi-agent-0309 from xAI for your AI applications
Pricing data last updated:
Mode: Responses
Max: 1,000,000 tokens
Max: 1,000,000 tokens
Built for enterprise-grade reliability, governance, and scale. Deploy in seconds.
grok-4.20-multi-agent-0309 is a responses model from xAI, one of 4 responses models they offer. It is priced at $1.25 per 1M input tokens and $2.50 per 1M output tokens, ranking 21 out of 71 responses models by cost and cheaper than 69% of models in this category. grok-4.20-multi-agent-0309 supports vision, reasoning, web search, prompt caching, structured output — one of only 4 responses models with this combination. Its 1,000K-token context window is in the top 31% among responses 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 1,000,000 tokens.
At $1.25 per 1M input tokens and $2.50 per 1M output tokens, grok-4.20-multi-agent-0309 ranks 21 out of 71 responses models by input cost. It is more affordable compared to the median of $2.00 for responses models, and is cheaper than 69% of models in this category.
grok-4.20-multi-agent-0309 is one of 4 xAI responses models, one of only 4 responses models combining prompt caching, reasoning, structured output, vision, web search. its 1,000K-token context window places it in the top 31% of responses models.
| Model | Provider | Input / 1M tokens | Output / 1M tokens | vs grok-4.20-multi-agent-0309 |
|---|---|---|---|---|
| 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% |
Similar responses models from other providers
No. grok-4.20-multi-agent-0309 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-multi-agent-0309 may offer different capabilities or performance characteristics that justify the price difference.
grok-4.20-multi-agent-0309 input pricing is $1.25 per 1M tokens, which is 38% below the median of $2.00 for responses models. It ranks 21 out of 71 responses models by input cost, making it cheaper than 69% of models in this category. For output, it costs $2.50 per 1M tokens compared to the median of $14.00.
Among xAI's 4 responses models, grok-4.20-multi-agent-0309 ranks 1 by input cost. Its combination of prompt caching, reasoning, structured output, vision, web search is shared by only 3 other responses models.
The most comparable responses models to grok-4.20-multi-agent-0309 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.
grok-4.20-multi-agent-0309 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.