Together AI runs a GPU cloud and inference platform for training and serving open-source AI models.
| date | round | amount | valuation | investors |
|---|---|---|---|---|
| Jul 2026 | Series B extension | $800M | not disclosed | not disclosed |
| Feb 2025 | Series B | $305M | $3.3B post-money | General Catalyst, Prosperity7 Ventures |
Open-weight models have closed the gap with closed models; enterprise demand for cost optimization and data sovereignty drives stampede to open models; Together's inference cloud captures this shift.