Developer Tooling Radar

AI Developer Tool Startups

Startup-focused AI developer tool companies. Headcount and funding details sourced from public pages linked below.

Companies tracked

Company	Headcount ↕	Funding Round ↕	Amount Raised ↕	Careers Page	Sources
Artificial Analysis	43	Seed	$250K	artificialanalysis.ai/careers	Headcount \| Funding
OpenCode	N/A	Unfunded	N/A	linkedin.com/company/sst-dev/jobs	Headcount \| Funding
TwelveLabs	192	Series A	$107M	twelvelabs.io/careers	Headcount \| Funding
Stainless	64	Series A	$35M	jobs.ashbyhq.com/stainlessapi	Headcount \| Funding
Mintlify	69	Series B	$66.3M	mintlify.com/careers	Headcount \| Funding
Pydantic	31	Series A	$17.2M	linkedin.com/company/pydantic/jobs	Headcount \| Funding
ComfyUI	65	Series A	$47.5M	comfy.org/careers	Headcount \| Funding
Inworld	107	Series B	$117M	inworld.ai/careers	Headcount \| Funding
OpenRouter	69	Series B	$173M	openrouter.ai/careers	Headcount \| Funding
Vapi	170	Series B	$72M	vapi.ai/careers	Headcount \| Funding
Unsloth	20	Seed	$500K	ycombinator.com/companies/unsloth-ai/jobs	Headcount \| Funding
Greptile	30	Series A	$45.5M	greptile.com/careers	Headcount \| Funding
LangChain	325	Series B	$260M	linkedin.com/company/langchain/jobs	Headcount \| Funding
Qodo	120	Series B	$120M	qodo.ai/careers	Headcount \| Funding
Factory.ai	1,263	Series C	$220M	factory.ai/careers	Headcount \| Funding
Exa	172	Series C	$250M	exa.ai/careers	Headcount \| Funding
Mistral AI	1,424	Series C	$1.94B	mistral.ai/careers	Headcount \| Funding
ElevenLabs	960	Series D	$822M	elevenlabs.io/careers	Headcount \| Funding
Hugging Face	731	Series D	$1.7B	linkedin.com/company/huggingface/jobs	Headcount \| Funding
Perplexity	1,222	Series E	$1.72B	perplexity.ai/careers	Headcount \| Funding
Vercel	915	Series F	$863M	vercel.com/careers	Headcount \| Funding
OpenAI	7,850	Series G	$180B	openai.com/jobs	Headcount \| Funding
Anthropic	5,189	Series H	$132B	anthropic.com/careers	Headcount \| Funding
Databricks	13,000	Series L	$20.2B	databricks.com/company/careers	Headcount \| Funding
Weights & Biases	309	Acquired	$250M	wandb.ai/site/careers	Headcount \| Funding