OpenAI vs Together AI
Which Foundation Models AI tool is better in 2026?
OpenAI
Creator of ChatGPT, GPT-4, and the leading frontier AI lab.
Together AI
The open AI cloud
Side-by-side
OpenAI leads on both fronts — more capital raised ($193.3B) and a lower entry price than Together AI.
| Metric | OpenAI | Together AI |
|---|---|---|
| Taglinei | Creator of ChatGPT, GPT-4, and the leading frontier AI lab. | The open AI cloud |
| Foundedi | 2015🏆 | 2022 |
| HQi | San Francisco, US | San Francisco, US |
| Employeesi | 1001-5000🏆 | 100-200 |
| Neuron scorei | 99🏆 | 56 |
| Total fundingi | $193.3B🏆 | $267.5M |
| Latest roundi | Series E · Mar 2026 | Series C · Jun 2024 |
| Valuationi | $852B🏆 | $3.3B |
| Cheapest paid plani | ChatGPT Plus · $20/mo🏆 | — |
| Free plani | ✓ Free | ✗ |
| Free triali | ✗ | ✓ |
| Top tier pricei | ChatGPT Team · $25/mo | GPU Clusters · Contact sales |
| Pricing summaryi | 4 published plans | 3 published plans |
| Categoriesi |
Capability matrix
Developer-facing capabilities and access signals for OpenAI and Together AI.
| Capability | OpenAI | Together AI |
|---|---|---|
| MCP support | ✓ | ✗ |
| Public API | ✓ | ✓ |
| Webhooks | ✓ | ✗ |
| OAuth 2.0 | ✓ | ✗ |
| SDK languages | 6 (Python, Node.js, TypeScript, Go…) | 3 (Python, JavaScript, TypeScript) |
| Free plan | ✓ | ✗ |
| Free trial | ✗ | ✓ |
| Verified | ✗ | ✓ |
| Active deal | ✓ | ✗ |
🟢 Strengths of OpenAI
- Has raised more capital ($193.3B vs $267.5M)
- Higher Neuron score (99 vs 56)
- Offers a free plan
- Lower starting price ($20/mo)
🔵 Strengths of Together AI
- Offers a free trial
- Newer company (2022)
- Verified profile
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 Together AI — which is better?
It depends on your priority. OpenAI has raised more capital and is the more established option; Together AI has broader feature depth. See the side-by-side table above.
Is OpenAI cheaper than Together AI?
Yes — OpenAI's cheapest paid plan is ChatGPT Plus · $20/mo, while Together AI's is Free trial.
Do OpenAI and Together AI offer free plans?
OpenAI: Yes, has a free plan. Together AI: Free trial only.
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