Skip to main content
NeuronFeed

Pleias vs Thinking Machines Lab

Which Foundation Models AI tool is better in 2026?

Pleias

Paris lab training small open models on fully open, rights-cleared data

Undisclosed

Thinking Machines Lab

Frontier AI research lab building customizable, multimodal models

$2B

Side-by-side

Verdict

Thinking Machines Lab leads on both fronts — more capital raised ($2B) and a lower entry price than Pleias.

Metric Pleias Thinking Machines Lab
Taglinei Paris lab training small open models on fully open, rights-cleared data Frontier AI research lab building customizable, multimodal models
Foundedi 2024🏆 2025
HQi Paris, France San Francisco, US
Employeesi — 11-50🏆
Neuron scorei 35 77🏆
Total fundingi Undisclosed $2B🏆
Latest roundi — Seed · Jul 2025
Valuationi — $12B🏆
Cheapest paid plani Pricing not disclosed Pricing not disclosed🏆
Free plani ✓ ✗
Free triali ✗ ✗
Top tier pricei Pricing not disclosed Pricing not disclosed
Pricing summaryi Enterprise · Contact sales Usage
Categoriesi

Capability matrix

Developer-facing capabilities and access signals for Pleias and Thinking Machines Lab.

Capability Pleias Thinking Machines Lab
MCP support ✗ ✗
Public API ✗ ✓
Webhooks ✗ ✗
OAuth 2.0 ✗ ✗
SDK languages — 1 (python)
Free plan ✓ ✗
Free trial ✗ ✗
Verified ✗ ✗
Active deal ✗ ✗

🟢 Strengths of Pleias

  • Offers a free plan
  • More mature (2024)

🔵 Strengths of Thinking Machines Lab

  • Has raised more capital ($2B vs Undisclosed)
  • Higher Neuron score (77 vs 35)
  • Newer company (2025)

Which should you choose?

Choose Thinking Machines Lab if price matters most — it starts at Usage, 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 Thinking Machines Lab if you want the most established option — it has raised $2B, 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

Pleias vs Thinking Machines Lab — which is better?

It depends on your priority. Pleias is the leaner option; Thinking Machines Lab is cheaper to start. See the side-by-side table above.

Is Pleias cheaper than Thinking Machines Lab?

No — Thinking Machines Lab's cheapest paid plan is Usage, while Pleias's is Enterprise · Contact sales.

Do Pleias and Thinking Machines Lab offer free plans?

Pleias: Yes, has a free plan. Thinking Machines Lab: Paid only.

Contextual paths to related AI startups, deals and rankings.