Anthropic vs OpenAI
Which AI AI Agents tool is better in 2026?
Anthropic
AI safety lab building Claude — a helpful, harmless, honest AI assistant.
OpenAI
Creator of ChatGPT, GPT-4, and the leading frontier AI lab.
Side-by-side
| Anthropic | OpenAI | |
|---|---|---|
| Tagline | AI safety lab building Claude — a helpful, harmless, honest AI assistant. | Creator of ChatGPT, GPT-4, and the leading frontier AI lab. |
| Founded | 2021 | 2015 |
| HQ | San Francisco, US | San Francisco, US |
| Employees | 501-1000 | 1001-5000 |
| Total funding | $15B | $13B |
| Latest round | Series F · Mar 3, 2025 | Private Equity · Oct 2, 2024 |
| Valuation | — | — |
| Pricing | Freemium · From $20/mo | Freemium · From $20/mo |
| Free plan | — | — |
| Free trial | — | — |
| Categories |
🟢 Strengths of Anthropic
- Has raised more capital ($15B vs $13B)
- Higher Neuron score (69 vs 65)
- Newer company (2021)
🔵 Strengths of OpenAI
- More mature (2015)
Which should you choose?
Choose OpenAI if price matters most — it starts at Freemium · From $20/mo, which is friendlier for teams watching burn. Both AI Agents tools ship core features, so the cost delta often decides it for small teams and solo operators.
Choose Anthropic if you want the most established option — it has raised $15B, suggesting more runway for enterprise features, support, and long-term roadmap. For mission-critical workflows or larger teams, that stability often outweighs a lower monthly price.
Frequently asked questions
Anthropic vs OpenAI — which is better?
It depends on your priority. Anthropic has raised more capital and is the more established option; OpenAI has broader feature depth. See the side-by-side table above.
Is Anthropic cheaper than OpenAI?
No — OpenAI starts at Freemium · From $20/mo, while Anthropic starts at Freemium · From $20/mo.
Do Anthropic and OpenAI offer free plans?
Anthropic: Paid only. OpenAI: Paid only.
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