Together AI Raises $800M at $8.3B Valuation Led by Aramco
Together AI closed an $800 million Series C led by Aramco Ventures at an $8.3 billion post-money valuation, more than doubling its price in 16 months. Nvidia, Vista Equity Partners and General Catalyst joined the round. The neocloud says annual bookings crossed $1.15 billion as enterprises shift open-source AI workloads off closed frontier APIs.
Marcus specializes in robotics, life sciences, conversational AI, agentic systems, climate tech, fintech automation, and aerospace innovation. Expert in AI systems and automation
LONDON, Saturday, July 4, 2026 — Together AI has raised $800 million in a Series C at an $8.3 billion post-money valuation, led by Saudi Aramco's venture arm. Reuters reported that the round more than doubled the startup's valuation to $8.3 billion. The raise, announced July 1, lands as enterprises move production AI workloads onto open-source models to cut costs. It ranks among the largest inference-infrastructure rounds of the year.
The Round
| Round | Date | Amount | Lead Investors | Valuation |
|---|---|---|---|---|
| Series C | July 1, 2026 | $800M | Aramco Ventures | $8.3B post-money |
| Series B | Feb 2025 | $305M | General Catalyst, Prosperity7 | $3.3B |
| Series A | Mar 2024 | — | — | $1.25B |
The round was led by Aramco Ventures. According to the company, participants included Vista Equity Partners, General Catalyst, Emergence Capital, NVIDIA, March Capital, Pegatron, S Ventures (SentinelOne) and others.
Key Takeaways
- Together AI's valuation jumped from $3.3 billion in February 2025 to $8.3 billion, a 2.5x step-up in 16 months.
- Aramco Ventures leading signals sovereign Gulf capital moving aggressively into AI compute infrastructure.
- Nvidia backed the buyer of its chips — a recurring pattern across the neocloud sector.
- The company plans to scale compute capacity roughly 50-fold over five years.
Related: AI in AI Data: Complete Enterprise Guide for 2026
Investor Context
Aramco Ventures runs multi-stage venturing programs, including its Prosperity7 arm, which co-led Together AI's Series B. Abhishek Shukla, managing director of Prosperity7 Ventures US, said building AI infrastructure over the next decade will be the biggest infrastructure project in human history. The rationale is a bet on compute capacity over any single model.
Nvidia's participation is more direct. As Startup Fortune noted, every workload Together AI runs still needs Nvidia chips underneath. That thesis is playing out across the sector, where Nvidia has structured compute partnerships targeting AI-native firms including Baseten, Fireworks AI and Together AI. Schneider Electric also invested via SE Ventures, framing efficiency as the link between AI and energy.
Related: Nvidia Closes RunAI Deal as Databricks and Snowflake Accelerate AI Data Consolidation
Competitive Landscape
The inference layer is now the hottest slice of AI infrastructure. Capital is flooding in as VCs reprice serving models — not training them — as a standalone category.
For deeper context, see our AI Data analysis: "Nvidia Closes RunAI Deal as Databricks and Snowflake Accelerate AI Data Consolidation".
| Company | Total Funding | Key Investors | Market Focus | Latest Round |
|---|---|---|---|---|
| Together AI | ~$1.3B | Aramco Ventures, Nvidia, General Catalyst | Open-source inference cloud | $800M Series C ($8.3B) |
| Baseten | ~$2B+ | Altimeter, Spark, Sands, Wellington | Production inference | $1.5B Series F ($11–13B) |
| Fireworks AI | $327M+ | Lightspeed, Index, Sequoia | Software inference layer | $250M Series C ($4B) |
TechCrunch reported that neoclouds have become hot commodities for VC investment more broadly, with TensorWave raising a $350M Series B at a $1.55 billion valuation and Upscale AI raising $500M at $2 billion. Baseten's trajectory has been the sharpest: Baseten raised $1.5 billion in a Series F across two tranches at $11 billion and $13 billion valuations, up from $5 billion at its Series E five months earlier — a roughly 160% step-up, according to the company and reporting by the Wall Street Journal. Fireworks, built by former Meta engineers, was reported by Bloomberg on May 27, 2026 to be in talks to raise at a $15 billion valuation, with terms still subject to change.
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What the Company Does
Together AI rents Nvidia GPU clusters and runs open-source models for enterprises. Founded in 2022, its platform lets companies train and run workloads on open models such as DeepSeek, MiniMax and Kimi at lower cost than closed systems. The company was founded by Vipul Ved Prakash, Percy Liang and Ce Zhang.
Its differentiator is research. The platform runs a proprietary inference stack, and its ATLAS speculative decoding system learns from production traffic to accelerate inference. The company serves thousands of paying customers including Cursor, Cognition and Decagon.
Why It Matters
The migration off closed frontier APIs is now a measurable enterprise trend. Together AI says annual bookings crossed $1.15 billion last quarter as open-source model usage across the industry tripled in twelve months, with Decagon cutting inference costs sixfold after moving to the platform. The bookings figure — which the company describes as signed contracts for future services rather than recognized revenue — separates Together from pre-revenue GPU plays, according to Together AI.
For enterprise buyers, more well-funded neoclouds means downward pressure on inference pricing and more capacity options. Startup Fortune noted that closed labs like OpenAI and Anthropic still set the pace on the hardest reasoning tasks, but bookings growth points to real migration for the larger share of cheaper workloads. What to watch: whether pricing power holds as capacity floods the market.
For deeper context, see our Robotics analysis: "Why Robotics Solutions Need Agentic AI in Automation Workflows".
Related: Google Leads AI Data Breakthroughs as Microsoft and Meta Accelerate Patent Filings
Forward Outlook
The next milestone is execution on capacity. Together AI expects its computing capacity and infrastructure to expand roughly 50-fold over the next five years, using the funding to widen its inference offerings. Delivering that scale is a supply-chain and engineering challenge as much as a financial one. Consolidation across the crowded neocloud field looks likely within 24 months.
Related: Top 10 AI Storage Solutions and Companies to Watch in 2026
Disclosure: BUSINESS 2.0 has no commercial relationship with companies mentioned.
Sources include company disclosures, regulatory filings, analyst reports, and industry briefings.
Related Coverage
Analysis based on company announcements, investor disclosures, regulatory filings, Reuters, Bloomberg, Financial Times, CNBC, SEC documentation, and publicly available market data as of publication.
About the Author
Marcus Rodriguez
Robotics & AI Systems Editor
Marcus specializes in robotics, life sciences, conversational AI, agentic systems, climate tech, fintech automation, and aerospace innovation. Expert in AI systems and automation
Frequently Asked Questions
How much did Together AI raise and at what valuation?
Together AI raised $800 million in a Series C announced July 1, 2026, at an $8.3 billion post-money valuation, led by Aramco Ventures. Reuters reported the round more than doubled the startup's valuation.
Who invested in the Series C round?
Together AI says the round was led by Aramco Ventures, with participation from Vista Equity Partners, General Catalyst, Emergence Capital, NVIDIA, March Capital, Pegatron and S Ventures (SentinelOne), among others.
How does this compare to Together AI's previous funding?
Together AI raised $305 million in a Series B in February 2025 at a $3.3 billion valuation, led by General Catalyst and co-led by Prosperity7. The new round represents a 2.5x valuation step-up in about 16 months.
What does Together AI do?
Founded in 2022, Together AI rents Nvidia GPU clusters and runs open-source models such as DeepSeek, MiniMax and Kimi for enterprises at lower cost than closed systems, per Reuters. Customers include Cursor, Cognition and Decagon.
How does Together AI compare to competitors like Baseten and Fireworks AI?
Baseten is reportedly raising $1.5 billion at an $11–13 billion valuation, and Fireworks AI is in talks at a $15 billion valuation per Bloomberg reporting. Together AI differentiates through its ATLAS speculative decoding engine and open-source model focus, with reported bookings above $1.15 billion.