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OpenAI API vs OpenRouter
Aggregates many AI models from different providers, not limited to OpenAI’s own models
Short answer: Pick OpenAI API if you want unified AI model and agent APIs; pick OpenRouter if you want unified API for multi-model routing. OpenRouter has a free plan.
OpenAI APIGPT models, embeddings, images and speech by API
OpenRouterOne API for hundreds of AI modelsWhich to pick
Pick OpenAI API if you want…
- Unified AI model and agent APIs
Pick OpenRouter if you want…
- Unified API for multi-model routing
- Multi-model marketplace
Side by side
- What it is
- OpenAI API:OpenAI API provides access to GPT-6 series models, embeddings, image, speech and agent capabilities via a unified API.
- OpenRouter:OpenRouter provides a single API to access hundreds of AI models from multiple providers.
- Best for
- OpenAI API:Unified AI model and agent APIs
- OpenRouter:Unified API for multi-model routing
- Who it’s for
- OpenAI API:Developers building AI-powered applications and agents
- OpenRouter:Developers building AI-powered apps who need model choice and cost control.
- Pricing
- OpenAI API:Pay-as-you-go
- OpenRouter:Freemium
- Free plan or trial
- OpenAI API:—
- OpenRouter:Free plan (Free)
- Plans
- OpenAI API:—
- OpenRouter:Free $0
OpenAI API features
- Frontier models. Access GPT-6 series with up to 1.05M context and 128K output tokens.
- Pay-as-you-go pricing. Input and output tokens billed per million (e.g., $0.10-$10 per 1M tokens).
- Agent SDK & Responses API. Create workflows, add voice with GPT-Live-1, and integrate tools like web and file search.
- Enterprise security. Zero data retention, SOC 2, HIPAA BAA, encryption at rest and in transit.
- Built-in tools for agents. Web search, file search, remote MCP servers, and voice capabilities.
OpenRouter features
- Model catalog. Browse 500+ active models across 80+ providers through one endpoint.
- Auto-routing. Automatically fall back to alternative providers for higher availability.
- Cost controls. Set budgets, spend limits and view price alerts to keep costs in check.
- Data policies. Define fine-grained policies to restrict which models and providers can receive prompts.
- Prompt caching. Cache prompt results to reduce latency and token usage.
- Region routing. Route requests to EU or US data centers for compliance and latency.
OpenAI API vs OpenRouter FAQ
What is the difference between OpenAI API and OpenRouter?+
OpenRouter: Aggregates many AI models from different providers, not limited to OpenAI’s own models.
Should I use OpenAI API or OpenRouter?+
Pick OpenAI API if you want unified AI model and agent APIs. Pick OpenRouter if you want unified API for multi-model routing or multi-model marketplace.
Is OpenAI API or OpenRouter free?+
OpenRouter has a free plan and paid plans.
On DevHunt
Based on each tool's website and DevHunt data. Details may change; check the official sites.