Spix Pricing 2026
Complete pricing guide for Spix — plans, costs, and free options.
💰 Spix Pricing Overview
Spix uses a freemium pricing model. Free tier available with optional paid upgrades. Current pricing: Sandbox is $0/month for testing, with 1,000 email events and no usage credits or concurrent calls. Agent is $20/month with 500 usage credits, 2 concurrent calls and email support. Operator is $99/month with 5,000 credits, 10 concurrent calls and 8-hour SLA support. Fleet is $299/month for high-volume operations with dedicated support. Credit packs run from $10 for 1,000 credits ($0.0100 each) to $800 for 100,000 credits ($0.0080 each). Add-ons: US local number $3/month, toll-free $5/month, extra inbox $2/month.. Spix is a popular ai agent infrastructure tool known for voice, sms and email infrastructure for ai agents — mcp-native, ~500ms call latency, cli-first. You can get started with Spix for free and upgrade to a paid plan as your needs grow.
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Spix Plans & Pricing
Sandbox is
for testing, with 1,000 email events and no usage credits or concurrent calls
Agent is
with 500 usage credits, 2 concurrent calls and email support
Operator is
with 5,000 credits, 10 concurrent calls and 8-hour SLA support
Fleet is
for high-volume operations with dedicated support
Credit packs run from
for 1,000 credits ($0.0100 each) to $800 for 100,000 credits ($0.0080 each)
Add-ons: US local number
, toll-free $5/month, extra inbox $2/month.
* Pricing information is based on publicly available data and may not reflect current promotions, annual discounts, or regional pricing. Visit the official Spix website for the latest pricing.
Is Spix Free?
Spix offers a free tier that lets you try the platform without any payment. The free plan typically includes core features with usage limits. For power users, paid plans unlock additional features, higher limits, and priority support.
Spix Feature Comparison
Here's how Spix's key features are typically distributed across pricing tiers. Feature availability is estimated based on common SaaS patterns — check the official site for exact tier details.
| Feature | Sandbox is | Agent is | Operator is | Fleet is | Credit packs run from | Add-ons: US local number |
|---|---|---|---|---|---|---|
| Outbound and inbound AI voice calls at roughly 500ms end-to-end latency | ◐ | ✓ | ✓ | ✓ | ✓ | ✓ |
| SMS and email from the same install | ◐ | ✓ | ✓ | ✓ | ✓ | ✓ |
| MCP-native, plus a CLI for direct use | ◐ | ✓ | ✓ | ✓ | ✓ | ✓ |
| Reusable call playbooks rather than ad-hoc prompts | — | ✓ | ✓ | ✓ | ✓ | ✓ |
| One-command curl install with published prompts for Claude Code, Codex, OpenClaw and Hermes | — | ◐ | ✓ | ✓ | ✓ | ✓ |
| Real-time transcription plus LLM conversation logic in the speech pipeline | — | — | ◐ | ✓ | ✓ | ✓ |
| Phone numbers and extra inboxes as low-cost add-ons | — | — | ◐ | ◐ | ✓ | ✓ |
✓ = Full access · ◐ = Limited · — = Not available. Feature availability is estimated and may vary.
Is Spix Worth It?
Spix is a freemium ai agent infrastructure tool that offers 7 key features including Outbound and inbound AI voice calls at roughly 500ms end-to-end latency, SMS and email from the same install, MCP-native, plus a CLI for direct use. Spix gives an AI agent a phone number, an inbox and a voice — the communications primitives that most agent frameworks leave as an exercise for the developer. Install once and the agent can place and receive voice calls, send and receive SMS, and send email, all driven from the CLI or over MCP. The voice pipeline is the substantial part: outbound and inbound AI calls run through real-time transcription and LLM conversation logic with speech synthesis at roughly 500ms end-to-end latency, and calls are driven by reusable playbooks rather than ad-hoc prompts, so a call is a repeatable artefact. Installation is a single curl script, with one-click install prompts published for Claude Code, Codex, OpenClaw and Hermes Agent, which is a clear signal about who the product is for. Billing is a hybrid that suits agent workloads: monthly plans set concurrency limits, email-event allowances and a bundled credit allocation, while usage beyond that draws on credit packs priced from $0.0100 down to $0.0088 per credit at volume. Phone numbers and extra inboxes are add-ons at $3-$5/month. A free Sandbox tier lets you test the voice path before spending anything.
✅ Spix is a good choice if you need:
- •Outbound and inbound AI voice calls at roughly 500ms end-to-end latency
- •SMS and email from the same install
- •MCP-native, plus a CLI for direct use
- •Reusable call playbooks rather than ad-hoc prompts
- •One-command curl install with published prompts for Claude Code, Codex, OpenClaw and Hermes
💡 Value Assessment
With a free tier available, Spix is an easy recommendation for anyone looking to try ai agent infrastructure tools without financial commitment. The paid plans offer good value for power users who need the additional features and higher usage limits.
Spix Key Features
Spix comes packed with features that make it a strong contender in the ai agent infrastructure space. Here's what you get:
Powered by advanced AI models, Spix delivers intelligent content generation capabilities.
Powered by advanced AI models, Spix delivers intelligent content generation capabilities.
Available in the free plan with limits — MCP-native, plus a CLI for direct use helps you work more efficiently with Spix.
Available in the free plan with limits — Reusable call playbooks rather than ad-hoc prompts helps you work more efficiently with Spix.
Available in the free plan with limits — One-command curl install with published prompts for Claude Code, Codex, OpenClaw and Hermes helps you work more efficiently with Spix.
Audio and voice features enhance the way you interact with Spix.
Available in the free plan with limits — Phone numbers and extra inboxes as low-cost add-ons helps you work more efficiently with Spix.
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Frequently Asked Questions
Is Spix free to use?
Yes, Spix offers a free tier that you can use without paying. Paid plans starting at $20/month unlock additional features and higher usage limits.
How much does Spix cost in 2026?
As of 2026, Spix pricing is: Sandbox is $0/month for testing, with 1,000 email events and no usage credits or concurrent calls. Agent is $20/month with 500 usage credits, 2 concurrent calls and email support. Operator is $99/month with 5,000 credits, 10 concurrent calls and 8-hour SLA support. Fleet is $299/month for high-volume operations with dedicated support. Credit packs run from $10 for 1,000 credits ($0.0100 each) to $800 for 100,000 credits ($0.0080 each). Add-ons: US local number $3/month, toll-free $5/month, extra inbox $2/month.. Pricing may vary based on billing cycle (monthly vs annual) and region. Visit the official Spix website for the most current pricing.
What is the cheapest Spix plan?
The cheapest option is the free tier. If you need premium features, the most affordable paid plan is Agent is at $20/month.
Is Spix worth the price?
Spix is well-regarded in the agent-infrastructure space, offering features like Outbound and inbound AI voice calls at roughly 500ms end-to-end latency, SMS and email from the same install, MCP-native, plus a CLI for direct use. Whether it's worth the investment depends on your specific needs, usage volume, and budget. The free tier lets you try it before committing to a paid plan.
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