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Synth AI

Synth AI

Test, evaluate, and rollout LLM systems with credits and BYOK support.

developer-toolsFreemium + Subscription (from $20/moFree trialUpdated: February 16, 2026
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llm evalsrolloutbyokai testingdeveloper toolsobservability
🔗 samplelogic.com
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About

Synth AI provides tooling for evaluation and rollout workflows for LLM applications. It supports BYOK (Bring Your Own Keys) for rollouts and includes credits-based plans for different team sizes. Great for developers and teams shipping production AI features.

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Pricing details

Free: $0/month (rate-limited API, BYOK available for rollouts, community support). Pro: $20/month per user (includes $10 rollout credits, up to $200 overdraft, unlimited non-rollout usage, priority support). Team: $200/month per org (includes $100 rollout credits shared, up to $200 overdraft, team features, dedicated support). Notes: usage-based pricing may apply for rollout tokens, GPU compute, and inference. BYOK charges go directly to your provider.

Key features

LLM evaluation workflows
Rollout management
BYOK support
Usage analytics
Team collaboration (Team plan)

Pros

  • ✔ Clear tiered plans
  • ✔ BYOK gives cost control
  • ✔ Good for teams shipping production AI

Cons

  • ⚠ Overdraft/usage-based costs can add up
  • ⚠ Some features require paid plans

FAQ

What is Synth AI?▼
Synth AI provides tooling for evaluation and rollout workflows for LLM applications. It supports BYOK (Bring Your Own Keys) for rollouts and includes credits-based plans for different team sizes. Great for developers and teams shipping production AI features.
Is Synth AI free?▼
Synth AI pricing: Freemium + Subscription (from $20/mo.
Does Synth AI offer a free trial?▼
Yes, Synth AI offers a free trial.
What are the best use cases for Synth AI?▼
Ship safer LLM features • Compare prompts/models • Manage rollouts at scale • Track evaluation results
Where can I access Synth AI?▼
Official website: https://www.samplelogic.com/

Use cases

✓

Ship safer LLM features

✓

Compare prompts/models

✓

Manage rollouts at scale

✓

Track evaluation results

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📚 Learn & Guides

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