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Terms — the short version

Badges

Prompts over {threshold} tokens bill the whole request at {input} input / {output} output per 1M. This estimate assumes prompts below that.

Monthly estimate for {model}

Browser chat also has a separate allowance of 5 free messages.

Chats are billed to your account balance at standard API rates. Every reply shows what it cost.

Ask anything.

Top up to keep going. The same balance works across the whole catalogue and from the API, with your own key.

Top up to keep chatting — the same balance powers this chat and your API key.

Your trial balance is used up.

Your balance is used up.

Your free messages are used up. One balance covers all 70 models — GPT-6.1, Claude, Gemini, GLM — billed per token, never a subscription.

Keep going — unlock every flagship

New chat

Drop in to the official OpenAI SDK and start building. New accounts start with bonus credits.

When your workload could use open-source quality, QSP is 6×–30× lower than Azure's closed catalog. No resource provisioning, no AAD setup.

QuickSilver Pro vs Azure OpenAI

Claude Opus 5 runs 60% below Bedrock's own per-token rate, DeepSeek V4 Pro is ~68% lower on output than Bedrock's DeepSeek reasoning, and Kimi K3 / GLM 5.2 / the V4 wave aren't on Bedrock at all. Drop-in OpenAI SDK — no SigV4 or AWS plumbing.

QuickSilver Pro vs AWS Bedrock

DeepSeek V4 Pro is 73% lower on output than DeepInfra's current V4 Pro rate, with per-token cache pricing. DeepInfra's cache discount may change the math for cache-heavy prompts.

QuickSilver Pro vs DeepInfra

DeepSeek V4 wave well below Fireworks' own-GPU rates. OpenAI-compatible surface, same tool-calling semantics.

QuickSilver Pro vs Fireworks AI

Different categories: managed token-priced LLM API vs serverless GPU. QSP for stock open-source chat; Modal for custom models or non-LLM workloads.

QuickSilver Pro vs Modal

Managed inference vs containers you deploy on H100s. QSP is faster to ship when you don't have a GPU fleet to fill or strict data-locality requirements.

QuickSilver Pro vs NVIDIA NIM

60% lower on Claude Opus 5.5 and 50% lower on Claude Sonnet 5.5; ~20% lower on Qwen 3.7 Plus and MiniMax M3; GPT-6.1 Sol and Grok 4.7 at list. Same OpenAI-compatible API, two-line migration.

QuickSilver Pro vs OpenRouter

DeepSeek V4 wave well below Together's own-GPU rates — the widest gap we hold against any major provider for reasoning-heavy workloads.

QuickSilver Pro vs Together AI

DeepSeek V4 Pro is ~7× lower than Gemini 2.0 Pro on output. Plain OpenAI SDK — no GCP project, service-account JSON, or quota request.

QuickSilver Pro vs Vertex AI

Head-to-head pricing comparisons for QuickSilver Pro vs the competing OpenAI-compatible inference providers, plus per-model use-case guides with quickstart code.

Compare & Use — QuickSilver Pro

Compare & Use

1M context. RAG and long-document summarization at $0.12 input.

One quick question — it helps us know which channels actually reach developers like you.

How did you find QuickSilver Pro?

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Set or reset your password

Beta invite accepted.

This invite has already been claimed.

We'll email you a verification link to finish sign-up. {amount} free credits included.

$0.05 free credit, no card. Includes speech-to-text and text-to-speech.

We’ll email you a verification link to finish sign-up.
New accounts get $0.05 free credit, no card: 5 starter chat models, plus five speech models through the API. Top up from $5 to unlock every model.

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What you earn

Provider keys

“{worker}” will stop receiving requests for good. Your earned credit is kept.

Remove this machine?

Your nodes

Start sharing from your Mac

quickstart

Read-only earnings keys

"{label}" can no longer read your earnings. Any tool using it will stop showing your ledger.

Revoke this read key?

“{label}” can no longer register new nodes. Machines already registered keep serving until you remove them from “Your nodes”.

Revoke this provider key?

Connect your Apple Silicon Mac with Rapid-MLX to serve Qwen 3.8 27B in the QuickSilver pool and earn API credit.

Share your compute

Stripe payment method

Keep your balance above a floor and recharge automatically with a saved card.

Auto Recharge

Save the card you enter and top up {topup} automatically when your balance falls below {threshold} — at most 4 times or $200 per 24 hours. Applies to whichever amount you pick below; fine-tune the rest anytime.

Keep my agent running — auto-reload this card

We match your first top-up 1:1. One per customer and payment card.

We match your first top-up 1:1. The bonus is added to your balance when you top up again — any amount from {min}. One per customer and payment card.

First top-up bonus: matched 100%, up to {cap}

Your bonus is added to your balance automatically on {date}.

Top up again — any amount from {min} — and your bonus is added to your balance with it.

{amount} bonus waiting for you

Credits are added to your key automatically within seconds. No refunds once applied.

Use the same email you registered with.

Friend or partner gave you a code? Apply it here to add {amount} of credits to this account. One per account.

Have a referral code?

Credits never expire. Pay only for what you use.

Buy Credits

Permanently remove your account, all API keys, and any remaining credits. This cannot be undone.

If a key was exposed (leaked to git, shared in a screenshot, posted in logs), use this to immediately revoke all keys. A fresh replacement key will be generated automatically.

Danger zone

Name

Create API key

will immediately start getting 401 errors. This can't be undone.

Delete this key?

Delete your account?

Editing {alias}. This caps the spend that can be charged to this specific key within a 30-day window; other keys are unaffected.

Monthly spend limit

All existing keys will be permanently revoked and stop working immediately. Any app using them will get 401 errors. A fresh replacement key will be generated so you're not locked out.

Your old keys have been revoked. Copy your new replacement key; it can be restored from your dashboard.

All keys revoked

Revoke all API keys?

Create named keys for each app or environment. All keys share your account balance.

API Keys

Managed API keys can be restored from your dashboard. If a key leaks, delete it and create a new one — other keys keep working.

Keep your keys secret.

Top open-source and frontier models with current per-token rates.

Models

Paste these three values wherever your agent / CLI / IDE asks for an "OpenAI-compatible endpoint". Keep your key secret.

Connect your agent

Chat with the models right here. Your first messages are on us.

Try it in your browser — no key needed

Your key is provisioned but balance is zero, so the demo call below will 402 until you load credits. First top-up bonus: we match your first top-up 100%, up to $50 — the bonus is added when you top up again (any amount from $5).

Top up to enable your key.

Copy this command, paste into your terminal. Costs about

Make your first call

Friends signing up with your link get {amount} in credits on their first top-up. We add the same {amount} to your balance at the same time.

Invite friends — get {amount} each

About {balance} left. Top up now so your API calls don't stop mid-task.

Your balance is running low

Your balance is depleted ({spent} spent so far). Add credits to keep making API calls — same pricing, same models, pay as you go.

You're out of credits

Make your first speech call

Your account activity and usage at a glance.

Overview

Agent-friendly:

DeepSeek V4.1 Flash and V4 Pro think by default — pass

in the request body for non-thinking low-cost chat. Qwen3.8 Flash Next runs without a reasoning trace. GLM 5.3 and Grok 4.7 always reason; control depth with reasoning_effort and do not send reasoning.enabled=false to them.

Available models:

Vercel AI SDK users:

Drop-in replacement for OpenAI. Change two lines.

Quick Start

Dashboard — QuickSilver Pro

Spend, throughput and latency across your models. Days are UTC.

Usage

Conventions used in these docs

API reference and integration guide for QuickSilver Pro: models, pricing, streaming, tools and images.

QuickSilver Pro Docs — OpenAI-compatible inference API

Start here

QuickSilver Pro Docs

What is QuickSilver Pro?

Set daily, weekly and monthly spend caps per team, per person and per project. Overspend is blocked automatically — no surprise invoices.

Central budget control

Run self-hosted open-source models for everyday work and call frontier models only when they earn it — you control the ratio.

Low-cost local, capped frontier

Real-time cost dashboards broken down by user, team and model. The AI bill is no longer a black box.

Know exactly where it goes

Stop guessing where your AI budget goes. Set hard limits, see every dollar, and run low-cost local models for daily work while reserving frontier models for what truly matters.

Turn AI spend into a controlled, visible line item

We are building our own AI datacenter in California with NVIDIA B200 GPUs. Dedicated inference capacity will be available to enterprise customers. Tell us what you need and we will reach out as capacity comes online.

Our own B200 capacity, coming soon

Something went wrong sending your request. Please try again or email us at

Leave your email and we'll reply within one business day.

Thanks, we got it. We'll reply to {email} within one business day.

Talk to us

Runs in your own network or private cloud, even fully air-gapped. Code and conversations never leave your perimeter.

Private deployment

Freely mix and switch local open-source and paid frontier models. The leverage stays with you.

No vendor lock-in

Upstream credentials and every usage log live on your infrastructure — encrypted and auditable.

Your keys, your logs

Private by default — built for compliance and data residency.

Your AI stays inside your boundary

Claude Code, Codex, Cursor and more work out of the box. Developers copy one line of config and go.

Works with the tools devs already use

Server-side translation lets even a self-hosted open-source model power Claude Code — no local proxy, no per-machine setup.

Any model drives any tool

An admin adds an account, the employee signs in and copies their endpoint. Done.

Zero-friction onboarding

Get your whole team productive on day one.

One endpoint, every tool, any model

Multiple admins, team-scoped permissions, and per-team control over which models and providers are allowed.

Roles, teams and access control

Connect your enterprise SSO (OIDC) and enforce TOTP two-factor for secure, compliant access.

SSO and 2-factor

Every call is traceable for internal review and security requirements.

Full audit trail

You decide who can use what.

Enterprise-grade governance

Load balancing and automatic failover across multiple upstreams — a single provider outage won't stop your team.

High availability

We handle deployment, model integration and training. Optional ongoing operations and support.

Turnkey delivery

Make it yours — your company name, logo and interface.

White-label

Production-ready, with people behind it.

Reliable, and we deliver it

Self-hosted AI gateway for enterprises. One private endpoint for Claude Code, Codex and every agent tool. Mix local open-source and frontier models with central budgets, governance and full cost visibility.

QuickSilver Pro Enterprise — Your company's private AI gateway

One private endpoint for every AI coding and agent tool. Run local open-source models alongside paid frontier models — with central budgets, governance, and full cost visibility, all inside your own network.

Your company's own AI gateway

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Claude Opus 5.5 at $1.60 / $8.00 per million tokens — 60% below Anthropic list. New: Gemini 4 Argon, Google’s new flagship reasoning model, at introductory $2.00 / $10.00 per million tokens. Everything you might want to know about QuickSilver Pro — the OpenAI-compatible inference API for Muse Wonder, GPT-6.1 Sol, Claude Opus 5.5, Sonnet 5.5 and Haiku 5.5, Gemini 3.8 Flash, Grok 4.7, Qwen3.8 Max, GLM-5.3, DeepSeek V4.1, Mistral Large 4 and Kimi K3.

FAQ — QuickSilver Pro

Frequently asked questions

Plug in your monthly usage to see what it costs here, next to published list rates.

Estimate your monthly cost

$0.05 free API credit · no card · 5 starter chat models and five speech models

Every frontier model. One question away.

One question away.

Every frontier model.

Claude Opus 5.5 at $1.60 / $8.00 per 1M tokens — 60% below Anthropic list. New: Gemini 4 Argon, Google's new flagship reasoning model, at an introductory $2.00 / $10.00 per million tokens. 83 models through one OpenAI-compatible API. $0.05 free credit, no card; top up from $5.

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Terms — the short version