fast-agent Pricing

open sourceopen source · MITlast verified August 26, 2026official site ↗

Plan	Price	Notes
Open Sourceofficial source ↗	$0checked 2026-08-26	100% free and open-source under MIT/Apache-2.0 license; self-hosted with zero seat fees, supporting BYOK models and free local inference via Ollama/vLLM.

structured from cited official pricing sources: “100% free and open-source MCP-native autonomous AI agent framework (MIT/Apache-2.0 license, $0 software license). Self-hosted with zero seat fees. Operates on Bring Your Own Key (BYOK) model supporting Anthropic Claude, OpenAI, Google Gemini, DeepSeek, or completely free $0 local inference via Ollama/vLLM.”

Self-hosting cost

fast-agent is open source under the MIT 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.

fast-agent overview →alternatives →review: 83/100 →

FAQ

How much does fast-agent cost?

100% free and open-source MCP-native autonomous AI agent framework (MIT/Apache-2.0 license, $0 software license). Self-hosted with zero seat fees. Operates on Bring Your Own Key (BYOK) model supporting Anthropic Claude, OpenAI, Google Gemini, DeepSeek, or completely free $0 local inference via Ollama/vLLM.

Does fast-agent have a free plan?

Yes — fast-agent is open source and free to use.

Can you self-host fast-agent for free?

fast-agent is open source under the MIT 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 fast-agent 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 August 26, 2026) — vendors change plans; confirm on the official site before you buy. Reuse this data under CC-BY 4.0 via /data.