Connect your provider
Create a VARION account, save an encrypted OpenAI or Anthropic provider key and generate a revocable VARION gateway key.
WORLD-FIRST · PUBLICLY VERIFIABLE · ZERO-LOSS
The world’s first publicly verifiable zero-loss AI cost optimizer.
Reduce eligible OpenAI and Anthropic input costs while Zero-Loss Cache preserves your prompt content, selected provider, model and fresh generation path. Bring your own keys and real workload—then judge the evidence yourself.
2 million processed input tokens free each month · No credit card · Your provider account · Your workload · Your verdict
CUSTOMER-CONTROLLED VERIFICATION
Your application→VARION→AI provider
Prompt contentUNCHANGED
Provider/modelSAME
Warm-cache saving64.7%
✓ Your prompt enters. Your chosen provider and model generate a fresh response. VARION reports prompt-integrity hashes, route data and provider usage so you can inspect what happened.
64.7% was the median warm-cache cost reduction in a four-case Anthropic staging benchmark. “Zero-loss” applies only to Zero-Loss Cache Mode. Results vary by workload, model, provider pricing and cache eligibility.
NO BLIND TRUST REQUIRED
Don’t believe us. Test it yourself.
Claims are easy. Provider usage is harder to fake. Run the same request directly and through VARION, compare prompt hashes, selected provider and model, fresh response IDs, cache activity and actual provider economics.
Your accountYOUR KEYSUse your own OpenAI or Anthropic credentials
Your workloadREAL REQUESTNo carefully selected demo prompt required
Your decisionYOUR VERDICTDownload the evidence before integrating
One endpoint change. Your provider. Your model. Your proof.
Keep your existing application and provider account. Select Auto, Maximum Savings or Zero-Loss Cache, then review context reduction, cached input and actual provider economics separately.
Choose an engine mode
Use Auto for the safest combined route, Maximum Savings for eligible beta traffic, or Zero-Loss Cache when the prompt must remain complete.
Measure every request
Track original input, provider input, context tokens avoided, cached tokens, actual cost, estimated baseline and fallback status.
Four operating modes, selected by the customer
All four modes are available to every customer. Zero-Loss Cache is the strict zero-risk mode; Auto and Maximum Savings may optimise redundant context.
Safest combined route
VARION applies context optimisation only when the request passes the configured safety and confidence gates, then coordinates provider-native caching. Otherwise it uses the complete original request.
Highest eligible beta routing
Uses the tenant-configured beta threshold and reduction ceiling while preserving system and developer instructions, recent messages, selected relevant tool schemas unchanged and automatic fallback.
Prompt-preserving provider route
No prompt rewriting, context deletion, semantic response reuse, model switching, provider switching or generated-response substitution. Only supported cache metadata may be added.
Fallback chain: Combined request → complete original request with Zero-Loss Cache → complete original provider request without cache metadata.
A savings dashboard is not proof. Provider usage is.
Use your own provider key, VARION key, model and workload. The Proof Lab runs direct cold, direct warm, VARION cold and VARION warm calls, then creates a downloadable evidence package.
Zero-Loss Anthropic benchmark64.7%Median verified warm-cache cost reduction across four staging cases
Prompt-content verificationSHA-256Local request hash compared with VARION-reported prompt-content hash
Independent tools5Windows, Python, Node.js, Jupyter and cURL
Definition: “Zero-risk” applies only to Zero-Loss Cache Mode. VARION may add provider-supported cache metadata but does not rewrite/delete prompt content, switch provider/model or substitute stored responses. The “world’s only” statement is based on our review of publicly documented competing products as of 4 August 2026. Results vary.
Not another black-box savings promise
VARION combines context routing with provider-native caching while preserving a byte-identical cache-only fallback for unsafe or unsupported requests.
Safe context optimisation
Eligible long requests can omit redundant historical messages while preserving system instructions, recent conversation and task-relevant identifiers while forwarding only selected relevant tool schemas unchanged.
Provider-native caching
VARION coordinates supported OpenAI and Anthropic cache behaviour instead of replacing the provider with a separate answer cache.
Automatic route selection
Auto Mode evaluates each request and uses combined optimisation only when the configured safety threshold is met.
Separated savings metrics
Context reduction, cached input, provider cost and combined cost reduction are reported as different measurements.
Complete original fallback
Unsafe, exact-copy, structured-output, tool-history and unsupported requests automatically use the original request.
Zero-Loss Cache mode
Choose the existing byte-preserving cache engine whenever prompt identity matters more than maximum possible savings.
Customer-controlled access
Provider credentials are encrypted at rest, gateway keys are independently revocable and combined beta is enabled per tenant.
Production controls
Per-provider switches, account modes, safety thresholds, request headers, fallback reasons, usage logs and emergency rollback are built in.
Built for demanding AI workloads
Use VARION with supported Claude, OpenAI, coding-assistant and AI-agent applications.
Cost optimisation for coding workflows
Connect supported Claude Code workloads through VARION and review measured results in your dashboard.
Claude Code setupIntegrate with existing applications
Use standard SDKs and a VARION gateway key with supported provider workloads.
Developer integrationOpenAI-compatible integration
Connect supported OpenAI applications without rebuilding the rest of your product.
OpenAI setupPay VARION pennies to process millions of tokens
Choose a low-cost monthly plan based on successful processed input tokens. Provider charges remain separate.
Free
€0
2 million processed input tokens monthly
Create free accountStarter
€9
50 million processed input tokens monthly
Create free accountGrowth
€29
250 million processed input tokens monthly
Create free accountBusiness
€99
1 billion processed input tokens monthly
Create free accountScale
€299
5 billion processed input tokens monthly
Create free accountQuestions before integration
Does VARION change my prompts?
Zero-Loss Cache and Disabled modes do not remove prompt content. Auto and Maximum Savings may omit safely redundant historical messages and fall back to the complete original request when safety requirements are not met.
Does VARION return a cached old response?
No. Zero-Loss Cache never substitutes a previous generated answer. Your selected provider and model generate a fresh response, which customers can verify using provider response IDs and usage.
Does VARION work with provider caching already enabled?
Yes. VARION coordinates provider-native caching with the selected engine mode. Existing provider caching does not need to be disabled.
What happens when combined optimisation is unsafe or rejected?
VARION retries the complete original request through Zero-Loss Cache. If cache metadata is also rejected, it sends the original provider request without cache metadata.
Are savings guaranteed?
No. Savings depend on provider, model, prompt length, historical relevance, repeated prefixes and cache eligibility. VARION reports the result for each request.
See the savings—or prove us wrong.
Use your own provider account, model and request. Compare the route, prompt hashes and provider usage before you move production traffic.