# MGX (slim) > MGX's investments in AI tools on Anchor Terminal, Anthropic, Anthropic, PBC and OpenAI, with each listing's grade and the founders behind it. - Full: https://www.anchorterminal.com/investors/mgx/index.md (~1,550 tokens) · this version ~1,430 tokens · JSON https://www.anchorterminal.com/investors/mgx/index.json · canonical https://www.anchorterminal.com/investors/mgx/ - Index: https://www.anchorterminal.com/llms.txt · API: https://www.anchorterminal.com/api/v1/index.json · MCP: https://www.anchorterminal.com/mcp · Updated: 2026-10-28 - Licence: CC BY 4.0, credit Anchor Terminal and link this page (https://www.anchorterminal.com/terms/#data) Venture firm. Website: https://www.mgx.ae ## Companies on Anchor Terminal - **Anthropic**, Series G, February 2026, Series H, May 2026, led a round - [Claude API](https://www.anchorterminal.com/tools/anthropic-api.md), graded BB, 77.3/100 - [Claude Agent SDK](https://www.anchorterminal.com/tools/claude-agent-sdk.md), graded BB, 70.1/100 - [Claude Code](https://www.anchorterminal.com/tools/claude-code.md), graded C, 59.9/100 - Source: https://www.anthropic.com/news/anthropic-raises-30-billion-series-g-funding-380-billion-post-money-valuation - **Anthropic, PBC**, Series G, February 2026, Series H, May 2026, led a round - [Claude Duet](https://www.anchorterminal.com/tools/claude-duet.md), graded F, 17.9/100 - Source: https://www.anthropic.com/news/anthropic-raises-30-billion-series-g-funding-380-billion-post-money-valuation - **OpenAI**, $6.6B round, October 2024 - [GPT-Live](https://www.anchorterminal.com/tools/gpt-live.md), graded B, 66.9/100 - [gpt-oss-120b](https://www.anchorterminal.com/tools/gpt-oss-120b.md), graded BB, 70.2/100 - [gpt-oss-20b](https://www.anchorterminal.com/tools/gpt-oss-20b.md), graded B, 69.9/100 - [OpenAI Agents SDK](https://www.anchorterminal.com/tools/openai-agents-sdk.md), graded AA, 86.2/100 - [OpenAI API](https://www.anchorterminal.com/tools/openai-api.md), graded A, 82.9/100 - [OpenAI Codex](https://www.anchorterminal.com/tools/openai-codex.md), graded BB, 73.5/100 - [OpenAI Decisions API](https://www.anchorterminal.com/tools/openai-decisions-api.md), graded BB, 73.1/100 - [Dots](https://www.anchorterminal.com/tools/openai-dots.md), graded F, 28.8/100 - [OpenAI embeddings](https://www.anchorterminal.com/tools/openai-embeddings.md), graded BB, 72.2/100 - [OpenAI Guardrails](https://www.anchorterminal.com/tools/openai-guardrails.md), graded B, 69.5/100 - [OpenAI Image API](https://www.anchorterminal.com/tools/openai-image-api.md), graded BB, 72.4/100 - [OpenAI Moderation API](https://www.anchorterminal.com/tools/openai-moderation.md), graded BB, 71.4/100 - [OpenAI Realtime API](https://www.anchorterminal.com/tools/openai-realtime.md), graded B, 63.4/100 - [OpenAI Speech to Text](https://www.anchorterminal.com/tools/openai-speech-to-text.md), graded BB, 72.6/100 - Source: https://www.nbcnews.com/business/business-news/openai-closes-funding-157-billion-valuation-microsoft-nvidia-softbank-rcna173693 ## Where they invest - Model APIs & inference, 2 - Agent frameworks & SDKs, 2 - Agent harnesses, 2 - Personal assistants, 2 - Conversational voice agents, 2 - Open-weight models, 2 - Guardrails & safety filters, 2 - Decision models, 1 - Embeddings & rerankers, 1 - Image generation, 1 - Speech-to-text, 1 ## Founders they backed - [Dario Amodei](https://www.anchorterminal.com/people/dario-amodei/), Anthropic - [Daniela Amodei](https://www.anchorterminal.com/people/daniela-amodei/), Anthropic - [Tom Brown](https://www.anchorterminal.com/people/tom-brown/), Anthropic - [Jack Clark](https://www.anchorterminal.com/people/jack-clark/), Anthropic - [Jared Kaplan](https://www.anchorterminal.com/people/jared-kaplan/), Anthropic - [Sam McCandlish](https://www.anchorterminal.com/people/sam-mccandlish/), Anthropic - [Chris Olah](https://www.anchorterminal.com/people/chris-olah/), Anthropic - [Karan Ahuja](https://www.anchorterminal.com/people/karan-ahuja/), Anthropic, PBC - [Sam Altman](https://www.anchorterminal.com/people/sam-altman/), OpenAI and Stripe, OpenAI - [Elon Musk](https://www.anchorterminal.com/people/elon-musk/), OpenAI and Stripe, OpenAI - [Greg Brockman](https://www.anchorterminal.com/people/greg-brockman/), OpenAI and Stripe, OpenAI - [Ilya Sutskever](https://www.anchorterminal.com/people/ilya-sutskever/), OpenAI and Stripe, OpenAI - [John Schulman](https://www.anchorterminal.com/people/john-schulman/), OpenAI and Stripe, OpenAI - [Wojciech Zaremba](https://www.anchorterminal.com/people/wojciech-zaremba/), OpenAI and Stripe, OpenAI - [Trevor Blackwell](https://www.anchorterminal.com/people/trevor-blackwell/), OpenAI and Stripe, OpenAI - [Vicki Cheung](https://www.anchorterminal.com/people/vicki-cheung/), OpenAI and Stripe, OpenAI - [Andrej Karpathy](https://www.anchorterminal.com/people/andrej-karpathy/), OpenAI and Stripe, OpenAI - [Durk Kingma](https://www.anchorterminal.com/people/durk-kingma/), OpenAI and Stripe, OpenAI - [Pamela Vagata](https://www.anchorterminal.com/people/pamela-vagata/), OpenAI and Stripe, OpenAI ## Questions ### Which AI tools has MGX invested in? Anchor Terminal lists Anthropic, Anthropic, PBC and OpenAI backed by MGX. ### How are MGX's companies graded? On Anchor Terminal's benchmark, Claude API (BB, 77.3), Claude Agent SDK (BB, 70.1), Claude Code (C, 59.9), Claude Duet (F, 17.9), GPT-Live (B, 66.9), gpt-oss-120b (BB, 70.2), gpt-oss-20b (B, 69.9), OpenAI Agents SDK (AA, 86.2), OpenAI API (A, 82.9), OpenAI Codex (BB, 73.5), OpenAI Decisions API (BB, 73.1), Dots (F, 28.8), OpenAI embeddings (BB, 72.2), OpenAI Guardrails (B, 69.5), OpenAI Image API (BB, 72.4), OpenAI Moderation API (BB, 71.4), OpenAI Realtime API (B, 63.4) and OpenAI Speech to Text (BB, 72.6). Investors are named from the companies' own announcements, the investors' own pages, Y Combinator's company pages, public filings and news reports of a round, each with its source.