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Inspect AI parent UK AISI mark

Inspect AI Pricing

freeopen source · MITlast verified August 26, 2026official site ↗
PlanPriceNotes
Open Sourceofficial source ↗$0checked 2026-08-26Unlimited benchmark evals, custom solvers/scorers, sandbox execution environments, and visualization log viewer

structured from cited official pricing sources: “Inspect AI is completely free and open-source software released under the MIT License by the UK AI Safety Institute. There are no software licensing costs; users only pay standard model API provider fees for model inference during benchmark evaluations.”

Self-hosting cost

Inspect AI 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 AI Security & DevSecOps

same category, free plan or open-source license

OpenLITopen source100% free and open source under the Apache-2.0 license ($0 self-hosted on Docker and Kubernetes). Features OpenTelemetry-native LLM tracing, GPU hardware metrics (NVIDIA/AMD/Intel), Prompt Hub, and security guardrails. Managed OpenLIT Cloud edition is available for hosted enterprise deployments.Ciliumopen sourceFree and 100% open source under the Apache-2.0 license (with dual GPL-2.0/BSD-2-Clause BPF datapath templates) as a CNCF Graduated project. Cilium has no software licensing fees for self-hosted or cloud Kubernetes deployments (including GKE Dataplane V2 and Azure CNI Powered by Cilium); organizations pay only for their compute infrastructure. For mission-critical enterprise environments, Isovalent Enterprise for Cilium (by Cisco) provides quote-based annual subscriptions (per-node/environment) with 24/7 SLA support, hardened LTS builds, Customer Testing Environments (CuTEs), enterprise BGP/EVPN, and advanced multi-cluster security and observability retention.MCP Inspectoropen sourceFree and 100% open source under the MIT license ($0 software cost). mcp-inspector is the official Model Context Protocol developer testing suite, running entirely locally via npx/Node.js with no subscription tiers, cloud fees, or telemetry.Playwrightopen sourcePlaywright is a free and open-source end-to-end testing framework created by Microsoft under the Apache 2.0 license. It provides cross-browser automation across Chromium, Firefox, and WebKit without any licensing fees.
Inspect AI overview →alternatives →review: 85/100 →

FAQ

How much does Inspect AI cost?

Inspect AI is completely free and open-source software released under the MIT License by the UK AI Safety Institute. There are no software licensing costs; users only pay standard model API provider fees for model inference during benchmark evaluations.

Does Inspect AI have a free plan?

Yes — Inspect AI is completely free.

Can you self-host Inspect AI for free?

Inspect AI 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 Inspect AI alternatives?

OpenLIT, Cilium, MCP Inspector 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.