Groq vs Lightmatter
Which Developer Platforms AI tool is better in 2026?
Groq
Fastest AI inference on the planet
Lightmatter
Photonic chips that move data with light for next-gen AI data centers
Side-by-side
| Groq | Lightmatter | |
|---|---|---|
| Tagline | Fastest AI inference on the planet | Photonic chips that move data with light for next-gen AI data centers |
| Founded | 2016 | 2017 |
| HQ | Mountain View, US | Boston, US |
| Employees | 200-500 | 201-500 |
| Total funding | $2.3B | $850M |
| Latest round | Series E · Sep 2025 | Series D · Oct 2024 |
| Valuation | $6.9B | $4.4B |
| Cheapest paid plan | — | — |
| Free plan | ✓ Free | ✗ |
| Free trial | ✓ | ✗ |
| Top tier price | Enterprise · Contact sales | Enterprise · Contact sales |
| Pricing summary | 3 published plans | 1 published plans |
| Categories |
Capability matrix
Developer-facing capabilities and access signals for Groq and Lightmatter.
| Capability | Groq | Lightmatter |
|---|---|---|
| MCP support | ✗ | ✗ |
| Public API | ✓ | ✗ |
| Webhooks | ✗ | ✗ |
| OAuth 2.0 | ✗ | ✗ |
| SDK languages | 2 (Python, JavaScript) | — |
| Free plan | ✓ | ✗ |
| Free trial | ✓ | ✗ |
| Verified | ✓ | ✗ |
| Active deal | ✗ | ✗ |
🟢 Strengths of Groq
- Has raised more capital ($2.3B vs $850M)
- Offers a free plan
- Offers a free trial
- More mature (2016)
🔵 Strengths of Lightmatter
- Higher Neuron score (64 vs 55)
- Newer company (2017)
Which should you choose?
Choose Lightmatter if price matters most — it starts at Enterprise · Contact sales, which is friendlier for teams watching burn. Both AI Developer Platforms tools ship core features, so the cost delta often decides it for small teams and solo operators.
Choose Groq if you want the most established option — it has raised $2.3B, 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.
Frequently asked questions
Groq vs Lightmatter — which is better?
It depends on your priority. Groq has raised more capital and is the more established option; Lightmatter is cheaper to start. See the side-by-side table above.
Is Groq cheaper than Lightmatter?
No — Lightmatter's cheapest paid plan is Enterprise · Contact sales, while Groq's is Free.
Do Groq and Lightmatter offer free plans?
Groq: Yes, has a free plan. Lightmatter: Paid only.
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