Best Braintrust Alternatives with Free Tiers (2026)

8 free alternatives in AI / ML. Sorted by pricing stability.

Current Braintrust Situation

Risk Level: stable
Category: AI / ML

Recent Pricing Changes (1)

restructured discovered 2026-09-03 medium impact
Retracted — this record was our error (2026-09-06). The free tier now includes $10 in credits and token rates, with 1 GB of processed data and 10k scores included. Overage is $4/GB and $2.50/1k scores. Data retention is 14 days. Retracted 2026-09-06: the free tier gained rather than lost. braintrust.dev/pricing, fetched 2026-09-06, lists Starter at "$0 / month" with "1 GB processed data + $4/GB", "10k scores + $2.50/1k", "14-day retention" and "Unlimited users, projects, datasets, playgrounds, and experiments" — every figure our stored description carries, unchanged — and adds "$10 credits + tok rates" that it did not carry before.

All Free Alternatives (8)

8 of these carry no recorded demerit and are indistinguishable under every signal we hold; their order rotates daily. 0 are demoted with the reason named, and 0 are listed last because they are not generally available or are not a free offer. How we rank.

Left out of this list: Hugging Face (shares no subtype with this product), Groq (shares no subtype with this product), Google Gemini API (shares no subtype with this product), Mistral AI (shares no subtype with this product), OpenRouter (shares no subtype with this product), Cloudflare Workers AI (shares no subtype with this product), Cerebras (shares no subtype with this product), Cohere (shares no subtype with this product), OpenAI (shares no subtype with this product), Pinecone (shares no subtype with this product), Qdrant (shares no subtype with this product), Deepgram (shares no subtype with this product), Kaggle (shares no subtype with this product), Roboflow (shares no subtype with this product), Scale AI (shares no subtype with this product), AssemblyAI (shares no subtype with this product), Replicate (shares no subtype with this product), Baseten (shares no subtype with this product), Weights & Biases (shares no subtype with this product), Clarifai (we have not classified this record), Neptune.ai (we have not classified this record), Labelbox (shares no subtype with this product), Composio (shares no subtype with this product), DeepAR (none of this category's subtypes apply), Maxim AI (shares no subtype with this product), OCR.Space (shares no subtype with this product), Parseur (shares no subtype with this product), Reducto (shares no subtype with this product), Tavily AI (shares no subtype with this product), paperspace (shares no subtype with this product), Audio Enhancer (none of this category's subtypes apply), Clair (none of this category's subtypes apply), Langtrace (we have not classified this record), Lumenfall.ai (shares no subtype with this product), Mediaworkbench.ai (none of this category's subtypes apply), Othor AI (none of this category's subtypes apply), Pollinations.AI (shares no subtype with this product), ReportGPT (none of this category's subtypes apply), Zenable (none of this category's subtypes apply), Vast.ai (shares no subtype with this product), xAI (shares no subtype with this product), Anthropic API (shares no subtype with this product), GitHub Models (we have not classified this record), NVIDIA NIM (shares no subtype with this product), Ollama Cloud (shares no subtype with this product), LLM7.io (shares no subtype with this product), SiliconFlow (shares no subtype with this product), Zhipu AI (shares no subtype with this product), DeepSeek API (shares no subtype with this product), MiniMax (shares no subtype with this product), Exa (shares no subtype with this product), GPU-Bridge (we have not classified this record), Google Vertex AI Agent Engine (we have not classified this record), Google Vector Search 2.0 (shares no subtype with this product), Google GLM 5 (shares no subtype with this product), Google Gemini Embedding 2 (shares no subtype with this product), Alibaba Cloud Qwen Code (none of this category's subtypes apply), E2B (shares no subtype with this product), Together AI (shares no subtype with this product), Fireworks AI (shares no subtype with this product), Modal (shares no subtype with this product). Each is still listed in its category, with the vendor's own words we read that from on its page. How we decide this.

Keywords AI stable
Free
AI / ML Verified 2026-09-02
Arize AX stable
Free
AI / ML Verified 2026-09-02
LangWatch stable
Free
AI / ML Verified 2026-08-10
Portkey stable
Free
AI / ML Verified 2026-08-12
Comet ML caution discovered 2026-08-28 restructured
Free
AI / ML Verified 2026-07-31
LangSmith caution discovered 2026-09-01 model change
Free
AI / ML Verified 2026-08-08
Arize AI stable
Free
AI / ML Verified 2026-08-26
Langfuse stable
Free
AI / ML Verified 2026-09-01
Recompute today's order yourself. The order above is a permutation seeded only on the UTC date and the query key — no vendor name, slug, id or offer field is an input. The algorithm is published, so anyone can reproduce this page's order without asking us.
date
2026-09-06
query_key
alternative-to:Braintrust
seed
af74dd336435114775fc266d9e0e0bf8994922e0233de81efa806bd83959a6bb
tie_count
8

Category Trends

See the broader pricing landscape for this category.

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Frequently Asked Questions

What are the best free alternatives to Braintrust?
The best free alternatives to Braintrust include Keywords AI (Free), Arize AX (Free), LangWatch (Free), Portkey (Free), Arize AI (Free).
Is Braintrust's free tier still available?
Yes, Braintrust currently offers a free tier (Free). The one change we have recorded did not narrow the terms.
How many free alternatives to Braintrust exist?
There are 8 free alternatives to Braintrust tracked on AgentDeals across the AI / ML category.
Has Braintrust changed their pricing?
Braintrust has 1 recorded pricing change. The most recent was discovered 2026-09-03: Retracted — this record was our error (2026-09-06). The free tier now includes $10 in credits and token rates, with 1 GB of processed data and 10k scores included. Overage is $4/GB and $2.50/1k scores. Data retention is 14 days. Retracted 2026-09-06: the free tier gained rather than lost. braintrust.dev/pricing, fetched 2026-09-06, lists Starter at "$0 / month" with "1 GB processed data + $4/GB", "10k scores + $2.50/1k", "14-day retention" and "Unlimited users, projects, datasets, playgrounds, and experiments" — every figure our stored description carries, unchanged — and adds "$10 credits + tok rates" that it did not carry before.

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