GPT-4 (OpenAI)
A Tier · 8.8/10
The most well-known LLM with the largest ecosystem of plugins, tools, and integrations
Score Breakdown
The Good and the Bad
What we like
- +Largest feature set of any LLM -- image gen, browsing, code execution, file analysis, custom GPTs all in one place
- +GPT-4o is fast and capable for most tasks
- +Massive third-party ecosystem -- thousands of plugins and integrations
- +Best multimodal capabilities (text, image, voice in one conversation)
What could be better
- −Output quality for writing is good but not as natural as Claude's
- −GPT-4 can be verbose and pad responses with unnecessary filler
- −OpenAI's pricing changes and model naming have been confusing (GPT-4, 4-turbo, 4o, 4o-mini...)
- −Privacy concerns -- OpenAI uses conversations for training unless you opt out
Pricing
Free (GPT-4o mini)
- ✓Limited GPT-4o mini
- ✓Basic features
- ✓Web browsing
ChatGPT Plus
- ✓GPT-4o access
- ✓DALL-E
- ✓Advanced Data Analysis
- ✓GPTs
API
- ✓All models
- ✓Function calling
- ✓Vision
- ✓Fine-tuning
Known Issues
- GPT-4o output quality perceived as declining compared to early GPT-4 -- multiple Reddit threads about 'dumbing down'Source: Reddit r/ChatGPT · 2026-03
- Custom GPTs occasionally lose their instructions mid-conversationSource: OpenAI Community Forum · 2026-02
Best for
Anyone who wants everything in one platform. ChatGPT Plus gives you an LLM, image generator, code interpreter, web browser, and custom apps for $20/mo. Unmatched feature breadth.
Not for
Privacy-conscious users, or anyone who values raw output quality over feature count. Claude writes better. Llama is more private.
Our Verdict
GPT-4 is the Swiss Army knife of LLMs. Nothing else gives you this many capabilities in one place. The output quality is strong (not the absolute best for writing, but close), and the ecosystem of GPTs and integrations is unmatched. It's the default recommendation for most people because it does everything well, even if it doesn't do any single thing the best.
Sources
- OpenAI official site (accessed 2026-03-26)
- LMSYS Chatbot Arena rankings (accessed 2026-03-26)
- Reddit r/ChatGPT (accessed 2026-03-26)
- Hands-on testing (accessed 2026-03-26)
Alternatives to GPT-4 (OpenAI)
Claude (Anthropic)
Anthropic's flagship LLM -- strong reasoning, long context, and the most natural conversational style
Gemini (Google)
Google's LLM with deep Google Workspace integration and a massive 1M+ token context window
Llama 3 (Meta)
Meta's open-source LLM -- run it locally for free with zero data sharing
Mistral AI
European AI lab with open and commercial models that punch well above their size