--- title: "particle-1 Cost Calculator - OpenRouter" description: "Calculate the cost of using particle-1 from OpenRouter. Input costs $0.05 and output $0.50 per 1M tokens." url: "https://www.getmaxim.ai/bifrost/llm-cost-calculator/provider/openrouter/model/particle-1" markdown: "https://www.getmaxim.ai/bifrost/llm-cost-calculator/provider/openrouter/model/particle-1.md" --- # particle-1 Cost Calculator - OpenRouter > Calculate the cost of using particle-1 from OpenRouter. Input costs $0.05 and output $0.50 per 1M tokens. ## Important Links - [View MCP Gateway](https://www.getmaxim.ai/resources/mcp-gateway.md) - [Features](https://www.getmaxim.ai/bifrost/#features) - [Enterprise](https://www.getmaxim.ai/enterprise) - [Pricing](https://www.getmaxim.ai/pricing.md) - [Docs](https://docs.getbifrost.ai) - [GitHub](https://github.com/maximhq/bifrost) - [Book a Demo](https://www.getmaxim.ai/book-a-demo) ## About particle-1 particle-1 is a chat model from OpenRouter, one of 491 chat models they offer. It is priced at $0.05 per 1M input tokens and $0.50 per 1M output tokens, ranking 180 out of 4040 chat models by cost and cheaper than 95% of models in this category. particle-1 supports vision, function calling, reasoning, prompt caching, structured output. Its 1,049K-token context window is in the top 15% among chat models. ## Pricing Published OpenRouter pricing for particle-1. - **$0.05 / 1M tokens Input.** - **$0.50 / 1M tokens Output.** ## Technical Specifications - **Chat Mode.** - **1,048,576 Max Input Tokens.** - **131,072 Max Output Tokens.** - **131,072 Max Tokens.** ## Model Capabilities particle-1 supports: Function Calling, Vision, Reasoning, Prompt Caching, Response Schema, Tool Choice. ## How Pricing Compares At $0.05 per 1M input tokens and $0.50 per 1M output tokens, particle-1 ranks 180 out of 4040 chat models by input cost. It is more affordable compared to the median of $0.60 for chat models, and is cheaper than 95% of models in this category. particle-1 is one of 491 OpenRouter chat models, with support for vision, function calling, reasoning, prompt caching, structured output. its 1,049K-token context window places it in the top 15% of chat models. | Model | Provider | Input $/1M | Output $/1M | vs particle-1 | | --- | --- | --- | --- | --- | | gpt-5-nano-2025-08-07 | Azure | $0.06 | $0.44 | +10% | | gpt-5-nano | Azure | $0.05 | $0.40 | 0% | | Qwen3.6-35B-A3B | Sail | $0.05 | $0.40 | 0% | | gpt-5-nano | OpenAI | $0.05 | $0.40 | 0% | | gpt-5-nano-2025-08-07 | OpenAI | $0.05 | $0.40 | 0% | ## More from OpenRouter - [lfm-2.5-24b-a2b ($0.05/1M input)](https://www.getmaxim.ai/bifrost/llm-cost-calculator/provider/openrouter/model/lfm-2.5-24b-a2b.md) - [claude-haiku-5.5:batch ($0.05/1M input)](https://www.getmaxim.ai/bifrost/llm-cost-calculator/provider/openrouter/model/claude-haiku-5.5-batch.md) - [solar-mini4 ($0.05/1M input)](https://www.getmaxim.ai/bifrost/llm-cost-calculator/provider/openrouter/model/solar-mini4.md) - [gpt-6-luna-pro:batch ($0.05/1M input)](https://www.getmaxim.ai/bifrost/llm-cost-calculator/provider/openrouter/model/gpt-6-luna-pro-batch.md) ## Related Resources - [OpenRouter status](https://www.getmaxim.ai/bifrost/provider-status/openrouter.md) - [All OpenRouter pricing](https://www.getmaxim.ai/bifrost/llm-cost-calculator/provider/openrouter.md) ## FAQ ### Is particle-1 cheaper than gpt-5-nano-2025-08-07? Yes. particle-1 costs $0.05 per 1M input tokens compared to gpt-5-nano-2025-08-07's $0.06 per 1M input tokens, making it 10% more affordable. Both are chat models and share support for vision, function calling, reasoning, prompt caching, structured output. ### How does particle-1 pricing compare to the average chat model? particle-1 input pricing is $0.05 per 1M tokens, which is 92% below the median of $0.60 for chat models. It ranks 180 out of 4040 chat models by input cost, making it cheaper than 95% of models in this category. For output, it costs $0.50 per 1M tokens compared to the median of $1.80. ### What makes particle-1 different from other OpenRouter models? Among OpenRouter's 491 chat models, particle-1 ranks 23 by input cost. ### What are the best alternatives to particle-1? The most comparable chat models to particle-1 are: gpt-5-nano-2025-08-07 from Azure ($0.06/1M input tokens); gpt-5-nano from Azure ($0.05/1M input tokens); Qwen3.6-35B-A3B from Sail ($0.05/1M input tokens); gpt-5-nano from OpenAI ($0.05/1M 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 large is particle-1's context window? particle-1 supports up to 1,048,576 input tokens, placing it in the top 15% of chat models by context window size (rank 430 of 3774). This makes it suitable for processing long documents, extensive code repositories, or maintaining detailed conversation histories. ### How do I check if OpenRouter is down? You can monitor OpenRouter service health in real time on the Bifrost OpenRouter 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 particle-1 costs? particle-1 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 $0.05 and generating 1M output tokens costs $0.50. ## Related Resources - [All OpenRouter pricing](https://www.getmaxim.ai/bifrost/llm-cost-calculator/provider/openrouter.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.md) - [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/resources.md) --- *This is a markdown version of [https://www.getmaxim.ai/bifrost/llm-cost-calculator/provider/openrouter/model/particle-1](https://www.getmaxim.ai/bifrost/llm-cost-calculator/provider/openrouter/model/particle-1) for AI/LLM consumption.*