
Provides massive context windows and deep Google Workspace integration, but trails behind in advanced coding workflows.
Provides massive context windows and deep Google Workspace integration, but trails behind in advanced coding workflows.
ChatGPT records 6,048,022,723 monthly visits with +2.2% month-over-month growth and Freemium pricing. RouterBase records 8,326 monthly visits with +33.7% growth and Paid pricing.

One OpenAI-compatible API for 200+ AI models
| Dimension / Metric | ![]() | ![]() |
|---|---|---|
| Official Domain | chatgpt.com | routerbase.com |
| Pricing Model | Freemium | Paid |
| Monthly Visits | 6.05B (6,048,022,723) | 8.33K (8,326) |
| MoM Traffic Delta | +127.43M (+2.2%) | +2.1K (+33.7%) |
| Primary Market & Share | 🇺🇸 United States (21.7%) | 🇮🇳 India (38.4%) |
| Direct Visits / mo | 4.44B | 2.84K |
| User Rating | 4.8 | 4.3 |
| Supported Platforms | Website | Website |

OpenAI's flagship multimodal assistant powered by GPT-6 and GPT-5.6 for reasoning, coding, and deep research.
Automatically routes prompts or lets users select between Instant responses and Medium, High, or Extra High thinking depth across GPT-5.6 Luna, GPT-5.6 Sol, and flagship GPT-6 Pro/Astra models.
Asynchronous software engineering and task agents that clone repositories, run terminal tests in sandboxed environments, resolve complex bugs, and submit pull requests.
Browses dozens of primary web sources, academic papers, and connected workspace documents over several minutes to compile structured, citation-backed analytical reports.
Provides a split-screen editor for inline prose and code revisions alongside low-latency voice conversations with live screen and camera grounding.

One OpenAI-compatible API for 200+ AI models
RouterBase is a drop-in replacement for the OpenAI SDK: change the base URL and route to 200+ models from OpenAI, Anthropic, Google, Meta, Mistral, DeepSeek, and xAI.
Auto-select the best provider per request by price, latency, or availability, and fall back to another provider in milliseconds when one fails.
Pay against a single balance and get one invoice across every provider instead of juggling a dozen accounts.
Track spend by model, API key, or project, export to CSV, or query via the API, and set per-key monthly spend caps.

Provides massive context windows and deep Google Workspace integration, but trails behind in advanced coding workflows.
Provides massive context windows and deep Google Workspace integration, but trails behind in advanced coding workflows.
Offers superior long-form writing and coding assistance with interactive artifacts, but lacks built-in deep web search.
Offers superior long-form writing and coding assistance with interactive artifacts, but lacks built-in deep web search.
Free / Open-sourceDelivers exceptional open-weight reasoning and math performance at lower cost, but features a simpler consumer interface.
Free / Open-sourceDelivers exceptional open-weight reasoning and math performance at lower cost, but features a simpler consumer interface.

Integrates real-time social media data and image generation directly into chat, but has fewer enterprise integrations.
Integrates real-time social media data and image generation directly into chat, but has fewer enterprise integrations.

SpecialistThe AI workspace where teams and agents get work done together
SpecialistExcels at real-time web research with verifiable inline citations, but offers less robust general conversational coding features.
SpecialistExcels at real-time web research with verifiable inline citations, but offers less robust general conversational coding features.
Provides a completely free conversational assistant across social apps, but lacks advanced coding agents and deep research.
Provides a completely free conversational assistant across social apps, but lacks advanced coding agents and deep research.

SpecialistThe AI coding agent for building ambitious software
SpecialistThe AI coding agent for building ambitious software
One API key for hundreds of AI models from every major provider

SpecialistSpecializes in processing exceptionally long documents for deep research, but lacks multi-modal voice and advanced code execution.
SpecialistSpecializes in processing exceptionally long documents for deep research, but lacks multi-modal voice and advanced code execution.
One OpenAI-compatible gateway for adaptive LLM routing, guardrails, and spend control
One OpenAI-compatible gateway for adaptive LLM routing, guardrails, and spend control

Free / Open-sourceEnables self-hosted, open-source management of local or cloud LLMs, but requires technical setup and maintenance.
Free / Open-sourceEnables self-hosted, open-source management of local or cloud LLMs, but requires technical setup and maintenance.