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BAML Pricing

open sourceopen source · Apache-2.0last verified September 6, 2026official site ↗

At a glance

Open-source Domain-Specific Language (DSL) and compiler for type-safe structured LLM outputs and schema parsing (Apache-2.0). 100% free with $0 software cost for local BAML compiler, VS Code extension, and BAML Studio, generating zero-dependency native clients for Python, TypeScript, Ruby, and Rust.

Self-hosting cost

BAML is open source under the Apache-2.0 license. Self-hosting does not add a software license fee, but you still pay for infrastructure, operations, and any external model or API usage.

Free & cheaper Agent Frameworks

same category, free plan or open-source license

Grok BotBeta access bundled with eligible SuperGrok Plus ($100/mo), Cursor Pro+ ($60/mo), or Cursor Teams ($40/seat/mo); custom pricing for enterprise deployments.Latitudeopen sourceLatitude is an open-source AI agent observability and evaluation platform under the MIT license. It offers a free self-hosted edition and a free cloud Starter tier (20,000 credits/mo), alongside a Pro plan at $99/month for growing teams and custom Enterprise pricing.Judgevalopen sourceJudgeval is an open-source Python SDK (Apache-2.0) for AI agent evaluation and tracing. Judgment Labs offers hosted enterprise agent behavior monitoring and evaluation platform access via custom quotes.Mem0open sourceOpen-source core (Apache-2.0) with $0 self-hosting. Mem0 Cloud Free includes 10k memories and 1k retrieval calls/month. Starter is $19/mo for 50k memories and 5k retrievals. Pro ($99-$249/mo) unlocks Graph Memory (Mem0ᵍ), memory consolidation, and 500k memories with 50k retrievals. Enterprise provides custom pricing for VPC/on-premise deployment, SOC 2/HIPAA compliance, SAML SSO, and 24/7 SLA.
BAML overview →alternatives →

FAQ

How much does BAML cost?

Open-source Domain-Specific Language (DSL) and compiler for type-safe structured LLM outputs and schema parsing (Apache-2.0). 100% free with $0 software cost for local BAML compiler, VS Code extension, and BAML Studio, generating zero-dependency native clients for Python, TypeScript, Ruby, and Rust.

Does BAML have a free plan?

Yes — BAML is open source and free to use.

Can you self-host BAML for free?

BAML is open source under the Apache-2.0 license. Self-hosting does not add a software license fee, but you still pay for infrastructure, operations, and any external model or API usage.

What are free or cheaper BAML alternatives?

Grok Bot, Latitude, Judgeval are in the same category with a free plan or open-source license.

pricing is editorial catalog data (last verified September 6, 2026) — vendors change plans; confirm on the official site before you buy. Reuse this data under CC-BY 4.0 via /data.