Lepton AI via VerticalAPI

Updated May 04, 2026·By VerticalAPI Team

Lepton AI's production inference stack (Llama 3.3, Mixtral, Whisper) via VerticalAPI's OpenAI-compatible endpoint. BYOK with your Lepton key, zero markup.

Start free with your Lepton AI key → Read the docs

Endpoint: https://api.verticalapi.com/v1/chat/completions · BYOK header: X-Provider-Key: <lepton-key>

Supported models

Lepton AI models routed by VerticalAPI

Pass the model ID below as model in any OpenAI-compatible request. New Lepton AI models are typically supported within 24h of release.

Model ID	Name	Context	Pricing (provider)
`llama3-3-70b`	Llama 3.3 70B (Lepton)	128K	$0.80 per 1M tok
`mixtral-8x7b`	Mixtral 8x7B (Lepton)	32K	$0.50 per 1M tok
`whisper-large-v3`	Whisper Large v3 (Lepton)	audio	$0.10 per hour audio

Pricing reflects Lepton AI's rates — you pay Lepton AI directly. VerticalAPI adds zero markup on tokens.

Quickstart

5-line Lepton AI call via VerticalAPI

Drop-in replacement for the OpenAI SDK. Works with the OpenAI Python client, Node, Go, curl — anything that speaks HTTP.

                lepton_quickstart.py
                Python
            
from openai import OpenAI

client = OpenAI(
    base_url="https://api.verticalapi.com/v1",
    api_key="vapi_...",
    default_headers={"X-Provider-Key": "..."}
)

response = client.chat.completions.create(
    model="llama3-3-70b",  # Lepton AI
    messages=[{"role": "user", "content": "Hello"}]
)
print(response.choices[0].message.content)

Why use Lepton AI via VerticalAPI

Four reasons developers route Lepton AI through us

Zero token markup

You pay Lepton AI directly with your own key. VerticalAPI's revenue is the gateway subscription, not a tax on your tokens.

One key, every provider

Lepton AI alongside OpenAI, Anthropic, Gemini and 12 more — same OpenAI-compatible endpoint, same SDK, switchable per-request.

Latency & cost monitoring

Per-request token counts, p50/p95 latency and cost dashboards out of the box. Compare Lepton AI to other providers on identical prompts.

Observability built in

Every Lepton AI call gets a trace ID, replayable payload and audit log entry. Wire to Datadog or Sentry via OpenTelemetry.

Best for

Where Lepton AI shines

dedicated endpoints auto-scaling inference hybrid cloud fine-tuned LoRAs

FAQ

Common questions about Lepton AI on VerticalAPI

What's Lepton's edge over Together?

Lepton focuses on dedicated endpoints with predictable latency at higher QPS. Useful for customer-facing apps where p99 latency matters more than per-token cost.

Switch providers

All supported LLM providers

Same endpoint, same SDK — just change the model and the BYOK header.

Ship on Lepton AI in 60 seconds

Free tier — bring your own Lepton AI key, zero markup, OpenAI-compatible endpoint.

Get your VerticalAPI key →