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- Snorkel AI Raises $350M at a $3.5B Valuation
Snorkel AI Raises $350M at a $3.5B Valuation
AND: OpenAI Launches GPT-6 Sol and Luna at Half the API Cost

✨TodayOnAI’s Daily Drop
Snorkel AI Raises $350M at a $3.5B Valuation
OpenAI Launches GPT-6 Sol and Luna at Half the API Cost
Anthropic Launches Opus 5.5 With Better Coding and Lower Prices
💬 Let’s Fix This Prompt
🧰 Today’s AI Toolbox Pick
| 📌 The TodayOnAI Brief |
OPENAI

🚀 TodayOnAI Insight: Snorkel AI has raised $350 million in Series E funding at a $3.5 billion valuation, nearly tripling its valuation in 17 months. The surge reflects a broader race to supply AI labs with specialized datasets and reinforcement learning environments as frontier models demand increasingly sophisticated training data.
🔍 Key Takeaways:
Insight Partners and S32 led the round, joined by Addition, Lightspeed, Greylock, GV, and Wells Fargo.
Snorkel reports a $375 million annualized revenue run rate, up 18x over the past year.
The company has evolved from data-labeling automation into a data-as-a-service business combining synthetic generation with domain experts.
Unlike labor-heavy competitors, Snorkel sells completed datasets and RL environments, with expert payments treated as cost of goods sold.
💡 Why This Stands Out: AI data is becoming strategic infrastructure rather than a supporting service. As model development shifts toward specialized post-training and RL, companies that can systematically produce high-quality environments and datasets may capture more of the AI stack’s value.
OPENAI

🚀 TodayOnAI Insight: OpenAI is expanding its GPT-6 lineup with new Sol and Luna models, bringing capabilities introduced with GPT-6 Astra to faster, more affordable tiers. The headline shift is economics: API pricing is half that of the previous 5.6-generation models.
🔍 Key Takeaways:
GPT-6 Sol targets complex workloads such as coding, while Luna focuses on high-volume tasks like summarization and information extraction.
OpenAI credits improved caching and inference for the 50% API price reduction.
The company says Sol makes roughly half as many factual mistakes as its predecessor in internal evaluations, while coding error rates have also declined.
Sol and Luna are rolling out across ChatGPT Work, Codex, the API, and ChatGPT, with Luna also reaching Free and Go users.
💡 Why This Stands Out: Frontier AI competition is increasingly about cost and reliability, not just peak intelligence. With Anthropic also updating Opus 5.5, model makers are racing to deliver stronger performance at prices that make large-scale deployment practical.
Anthropic

🚀 TodayOnAI Insight: Anthropic released Opus 5.5, claiming state-of-the-art performance across coding and knowledge work while cutting inference costs. The update signals a broader push toward models that improve capability without simply demanding more compute.
🔍 Key Takeaways:
Anthropic says Opus 5.5 beats the larger Fable model across multiple benchmarks and informal tasks.
Output pricing drops from $25 to $20 per million tokens, while faster inference points to lower serving costs.
The model is designed to communicate more directly, reducing jargon and surfacing key information earlier.
Sonnet 5.5 and Haiku 5.5 are expected “in the coming weeks.”
Opus 5.5 receives safeguards comparable to Anthropic’s most advanced models, particularly around cybersecurity and biological risks.
💡 Why This Stands Out: Opus 5.5 pairs stronger performance with lower costs shortly after Opus 5 launched in July. More notably, it arrives as Anthropic argues that frontier capability gains should advance alongside stronger safety systems—a tension likely to shape its next generation of models.
| 💬 Let’s Fix This Prompt |
✨ See how a simple prompt upgrade can unlock better AI output.
🔹 The Original Prompt
"Generate blog ideas for a tech company."
At first glance, this prompt might seem okay. But it's too broad — and that limits the quality of AI-generated results. Let’s improve it using prompt engineering best practices.
✅ The Improved Prompt
Generate a list of unique, engaging blog post ideas for a B2B tech company that wants to attract decision-makers in mid-sized companies. Focus on topics related to emerging technology trends, industry insights, and practical solutions their software offers. Include suggested titles and a 1–2 sentence summary for each idea.
💡 Why It's Better
Specific audience: Targets decision-makers in mid-sized companies.
Contextual focus: Emphasizes emerging tech and practical solutions.
Actionable output: Requests summaries and titles to spark execution.
Tone and style: Guides the type of content (insightful, engaging, relevant).
🛠️ Learn how to adapt this prompt for SaaS, AI tools, dev teams & more →
Read the full PromptPilot breakdown
💡 Bonus Tool: Want to generate and master prompts instantly?
👉 Try PromptPilot by TodayOnAI (Free to use)
| 🧠 Smart Picks |
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🧰 Today’s AI Toolbox Pick
⚙️Bizway (Entrepreneur Tool): Turns your brilliant ideas into clear business plans in minutes.
📱ZAPT (Apps Tool): Discovers and creates amazing ChatGPT apps.
👁Chromox (Image Design Tool): An all-in-one content creation platform that allows you to craft your content effortlessly and streamline your workflow.