OpenAI vs Sakana AI
Which Foundation Models AI tool is better in 2026?
OpenAI
Creator of ChatGPT, GPT-4, and the leading frontier AI lab.
Sakana AI
An AI R&D company based in Tokyo, Japan, focused on developing AI solutions tailored for Japan's needs and democratizing AI.
Side-by-side
OpenAI leads on both fronts — more capital raised ($193.3B) and a lower entry price than Sakana AI.
| Metric | OpenAI | Sakana AI |
|---|---|---|
| Taglinei | Creator of ChatGPT, GPT-4, and the leading frontier AI lab. | An AI R&D company based in Tokyo, Japan, focused on developing AI solutions tailored for Japan's needs and democratizing AI. |
| Foundedi | 2015🏆 | 2023 |
| HQi | San Francisco, US | Tokyo, JP |
| Employeesi | 1001-5000🏆 | 1-10 |
| Neuron scorei | 99🏆 | 60 |
| Total fundingi | $193.3B🏆 | Undisclosed |
| Latest roundi | Series E · Mar 2026 | — |
| Valuationi | $852B🏆 | — |
| Cheapest paid plani | ChatGPT Plus · $20/mo🏆 | Pricing not disclosed |
| Free plani | ✓ Free | ✗ |
| Free triali | ✗ | ✗ |
| Top tier pricei | ChatGPT Team · $25/mo | Pricing not disclosed |
| Pricing summaryi | 4 published plans | Enterprise · Contact sales |
| Categoriesi |
Capability matrix
Developer-facing capabilities and access signals for OpenAI and Sakana AI.
| Capability | OpenAI | Sakana AI |
|---|---|---|
| MCP support | ✓ | ✗ |
| Public API | ✓ | ✗ |
| Webhooks | ✓ | ✗ |
| OAuth 2.0 | ✓ | ✗ |
| SDK languages | 6 (Python, Node.js, TypeScript, Go…) | — |
| Free plan | ✓ | ✗ |
| Free trial | ✗ | ✗ |
| Verified | ✗ | ✗ |
| Active deal | ✓ | ✗ |
🟢 Strengths of OpenAI
- Has raised more capital ($193.3B vs Undisclosed)
- Higher Neuron score (99 vs 60)
- Offers a free plan
- Lower starting price ($20/mo)
🔵 Strengths of Sakana AI
- Newer company (2023)
Which should you choose?
Choose OpenAI if price matters most — it starts at Free · From $20/mo, which is friendlier for teams watching burn. Both Foundation Models tools ship core features, so the cost delta often decides it for small teams and solo operators.
Choose OpenAI if you want the most established option — it has raised $193.3B, 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.
💸 Deals
Free daily tokens via OpenAI data-sharing tier
Eligible OpenAI API tiers can earn free daily tokens on GPT-4.1, GPT-4o, and other models by opting in to share prompts and completions for model improvement.
Terms: Opt-in required. Token allotment varies by tier.
Frequently asked questions
OpenAI vs Sakana AI — which is better?
It depends on your priority. OpenAI has raised more capital and is the more established option; Sakana AI has broader feature depth. See the side-by-side table above.
Is OpenAI cheaper than Sakana AI?
Yes — OpenAI's cheapest paid plan is ChatGPT Plus · $20/mo, while Sakana AI's is Enterprise · Contact sales.
Do OpenAI and Sakana AI offer free plans?
OpenAI: Yes, has a free plan. Sakana AI: Paid only.
Explore more Foundation Models tools
Contextual paths to related AI startups, deals and rankings.