3 live offers · updated 2026-10-23

Free LLM observability tools

Free plans for tracing and evaluating LLM apps: LangSmith, Langfuse and PostHog. Limits checked against official pages.

$50,000 in stated maximum credits across these offers

Sponsored slot1 per week
$29/wk

Your AI tool, pinned right here

The first card on the board and on every offer page, seen by builders who came here to find AI credits. Exclusive for the week and always labeled.

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Claim this slot →Weekly · Mon–Sun
liveStartup programs
$50,000

PostHog for Startups

$50,000 in PostHog credits for 12 months (AI tools excluded since 2026-09-14)

Claim
Join a paid usage-based plan, then apply
Who
Companies under 2 years old with under $5M raised
Expires
Ongoing program
Claim checklist 0/3
Official source ↗
✓ Terms checked 2026-10-23Source: posthog.com
liveFree tiers
Free tier

LangSmith Developer plan

Free seat with 5K base traces/month for LLM tracing and evals, plus 7 LSUs/month of Fleet agents

Claim
Sign up at smith.langchain.com
Who
Solo developers (1 seat)
Expires
Recurring monthly
Claim checklist 0/2
Official source ↗
✓ Terms checked 2026-10-23Source: langchain.com
liveFree tiers
Free tier

Langfuse Hobby plan

50K units/month of LLM tracing, evals and prompt management, 30 days of data, 2 users, no card; students and researchers can apply for up to 100% off paid plans

Claim
Sign up at langfuse.com (or self-host the open-source version free)
Who
Anyone
Expires
Recurring monthly
Claim checklist 0/2
Official source ↗
✓ Terms checked 2026-10-23Source: langfuse.com

See also: Free LLM API credits · Student AI deals · AI startup credits · Free AI tiers · Free AI coding tools · Free voice AI credits · Free RAG and vector DB tiers · Free Gemini API credits · Free Claude credits · Free GPU and inference credits · GitHub Copilot free · Free search and scraping APIs · Free cloud credits for AI · AI credits without VC funding · Free agent sandbox credits · Free inference API signup credits · All 60 offers

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