Cosine AI vs Postman AI

Postman AI has a disclosed valuation of $5.6B, while Cosine AI's valuation is not publicly available, making a direct size comparison difficult. Postman AI employs 1000+ people.

Postman AI has raised more in total funding at $433M, compared to Cosine AI's $6M — a gap of $427M. Combined, the two companies have completed 6 known funding rounds.

Postman AI leads with an Awaira Score of 90/100, while Cosine AI sits at 48/100. That 42-point gap reflects real differences in funding, scale, and traction — it's not a vanity metric.

Cosine AI was founded by Alistair Pullen in 2022. Postman AI was founded by Abhinav Asthana in 2014. Visit each company's profile on Awaira for a full founder biography.

Cosine AI: Cosine AI is a UK-based artificial intelligence development tools company founded in 2022, operating at seed stage with $6M in total funding and a valuation not disclosed. The company focuses on providing software infrastructure and tooling for AI development, targeting engineers and teams building with large language models and machine learning systems. Cosine AI addresses the operational challenges developers face when working with AI models, offering solutions that span model deployment, integration, and management across different environments. The platform enables users to streamline workflows in AI application development, reducing friction in taking models from experimentation to production. Operating within the competitive AI developer tools ecosystem, Cosine AI positions itself alongside other infrastructure providers serving the rapidly expanding AI development community. The company emerged during the accelerated adoption of transformer-based models and generative AI capabilities. As a seed-stage company with relatively early funding, Cosine AI is in growth phase, building its user base among AI practitioners and development teams. The specific customer roster remains largely undisclosed, though the company targets organizations actively developing AI-powered products and services. The company's trajectory reflects broader market expansion in AI tooling, as enterprises seek specialized solutions for AI development operations and workflow optimization. Cosine AI provides developer infrastructure for AI application deployment and management during a period of explosive growth in LLM-based software development. Postman AI: Postman is the world's prominent API development platform, used by over 30 million developers globally to design, test, document, and monitor APIs, with AI-powered features including natural language API generation, automated test creation, and intelligent API documentation built into its collaborative workspace. The platform has evolved from a Chrome extension to a comprehensive API lifecycle management tool that serves individual developers and enterprise API programs alike.\n\nThe company raised approximately $433M in total funding across multiple rounds, including a $225M Series D at a valuation of $5.6B, with investors including Insight Partners and Nexus Venture Partners, and has established itself as a category-defining tool in the API development space with near-universal adoption among software development teams. Postman processes hundreds of millions of API calls daily and has over 500,000 public APIs documented on its API network.\n\nPostman's dominant position in API development tooling gives it a strategic platform from which to deploy AI-native developer tools as software development workflows evolve. The company's deep integration into developer workflows and its network of public API documentation create compounding advantages as the API economy continues to expand with AI-powered services. Postman AI operates in the AI Dev Tools sector and is headquartered in United States. Founded in 2014 by Abhinav Asthana, Postman AI has raised $433M in total funding, achieving a valuation of $5.6B as of its latest round. The company's funding journey includes a Series C of $150M in 2020, a Series D of $225M in 2021. The most recent round was led by Insight Partners. With approximately 1000+ employees, Postman AI has established itself as a Series D-stage player in the AI Dev Tools market. The company holds an Awaira Score of 90/100, reflecting its strong position across valuation, funding trajectory, team scale, and market influence. Postman AI competes in a rapidly evolving segment alongside other AI Dev Tools companies. Based in United States, Postman AI is part of a growing international AI ecosystem attracting talent and investment. The AI Dev Tools space has attracted significant investment in recent years, with companies racing to capture enterprise and consumer demand for AI-powered solutions.

Postman AI got there first, launching in 2014 — that's 8 years of extra runway. Cosine AI didn't arrive until 2022. In AI, that kind of head start means more training data, deeper customer relationships, and a bigger talent moat.

Cosine AI has about 20 employees; Postman AI has about 1000+. A bigger team usually means more revenue or heavier VC backing, but in AI, small teams can build at massive scale.

Yes — they're direct rivals. Both Cosine AI and Postman AI compete in AI Dev Tools, targeting many of the same buyers. If you're evaluating one, you should be looking at the other.