ChatGPT
by OpenAI
OpenAI's flagship assistant. Strong at general reasoning, writing, code. GPT-4o free, GPT-5 + o3 on Plus ($20/mo).
Free / $20+
The two best assistants, compared.
ChatGPT vs Claude
VS
Claude
by Anthropic
Anthropic's assistant. 200K context window, Sonnet + Opus models, strongest at nuanced writing and code refactoring. Constitutional AI approach.
Free / $20+
Head-to-head
| Feature | ChatGPT | Claude |
|---|---|---|
| Vendor | OpenAI | Anthropic |
| Category | Conversational AI | Conversational AI |
| Free tier | Yes | Yes |
| Starting price | Free / $20/mo | Free / $20/mo |
| Strengths | widest feature set, huge plugin/GPT ecosystem, voice mode | 200K context, best-in-class writing, thoughtful code edits |
| Weaknesses | rate-limited on free tier, no transparent sources | no image gen, stricter refusal rate on edge cases |
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