Lakera Guard pricing, and the self-serve alternative to it

You found Lakera, started on its free Community plan, then hit the "talk to us" wall the moment you needed more than 10k requests a month. If you are a solo founder or a small team rather than a procurement department, you do not need an enterprise contract to block prompt injection. Here is the head-to-head so you can decide. We are biased, SafePrompt is our product, so we will be specific about when Lakera is the right call.

If you want the full landscape first, see our roundup of the best prompt injection detection tools. If you are on Microsoft's stack, see the Azure Prompt Shields alternative.

What is the best budget alternative to Lakera Guard?

SafePrompt is the best budget alternative to Lakera Guard for indie developers and small teams. It publishes every price, starts at $29 per month with a free tier that needs no credit card, signs you up immediately with no sales call, and adds one API call in front of your model in about 20 minutes. Detection results are published on our public benchmark suite. Lakera Guard has a free Community plan too, but it is built for enterprise buyers, so its strengths are compliance, on-premise options, and account management rather than a published price at every tier.

The Lakera figures below were read from Lakera's own pricing page on 2026-09-12. Anything above the Community plan is quoted by sales, so confirm your own numbers with them before deciding.

When should you choose SafePrompt over Lakera?

Choose SafePrompt when you are an indie developer, a startup, or building an MVP, and you want to ship without a sales process. The $29 per month plan fits bootstrapped budgets, the free tier needs no card, and every paid price is on the website rather than behind a quote form. Integration is one HTTP call before your model, so most teams are live in about 20 minutes. You can start free with 10,000 free validations a month and upgrade only when you scale.

When should you choose Lakera Guard instead?

Choose Lakera Guard when you are an enterprise with compliance and procurement requirements built for that scale. Lakera states SOC 2 and GDPR compliance on both its plans, and its Enterprise plan adds dedicated support, single sign-on, role-based access control, SIEM integration and self-hosted deployment for sensitive environments. If a four-figure monthly spend is already approved and those enterprise features are hard requirements, the premium can be justified.

How much does each one cost?

SafePrompt publishes three tiers: a free plan with 10,000 free validations a month and no credit card, a Starter plan at $29 per month, and a Business plan at $99 per month. Lakera, read on 2026-09-12, publishes a Community plan at $0 per month with 10k requests and an 8,000-token prompt cap, and lists its Enterprise plan as "let's chat" with flexible volume. It publishes no price above the free tier, so get that number from Lakera directly.

Do both tools detect the same attacks?

Both tools detect the common prompt injection categories. The difference is in multi-turn handling, where SafePrompt is specific about what it does rather than implying full conversation memory.

SafePrompt's multi-turn detection works by spotting escalation and priming across linked calls, rather than scoring an entire conversation at once. It is opt-in: include a session_token in the request body and SafePrompt links the calls in that session so a slow-building attack is flagged even when no single message looks dangerous alone. Without a session token, each /api/v1/validate call checks one input on its own. We call that out plainly because "multi-turn" can be read as full conversation memory, and that is not what the API does.

How fast is the integration?

SafePrompt integration takes about 20 minutes: sign up at safeprompt.dev with no sales call, copy your API key from the dashboard, and add one API call before your LLM. The whole guard is one HTTP call:

const { safe, threats } = await fetch('https://api.safeprompt.dev/api/v1/validate', {
  method: 'POST',
  headers: {
    'X-API-Key': process.env.SAFEPROMPT_API_KEY,
    'X-User-IP': endUserIp, // the end user's IP, not your server's
    'Content-Type': 'application/json'
  },
  body: JSON.stringify({ prompt: userInput })
}).then(r => r.json());

if (!safe) throw new Error('Injection detected: ' + threats.join(', '));
// Safe to call OpenAI, Anthropic, Gemini, anything

You can tune how aggressive detection is with the sensitivity field in the JSON body, set to lenient, balanced (the default), or strict. To link calls for multi-turn escalation detection, add a session_token to the body. If you prefer an SDK over raw HTTP, npm install safeprompt gives you the same guard in your code. Lakera's Community plan is self-serve too; a paid Lakera contract adds a sales call, a custom quote, procurement and contract review, and account-team onboarding, which is where the weeks go.

SafePrompt also publishes an independent, reproducible benchmark on why pattern-based filters miss reworded attacks, with the dataset and method open for anyone to rerun. It measures the weakness of pattern baselines rather than a head-to-head against Lakera. It is the kind of open evidence a buyer can check rather than take on trust. See why regex fails at prompt injection for the walkthrough.

The bottom line

Frequently asked questions