Same model, different API route

GPT-OSS 120B: GroqCloud or OpenRouter for lower API cost?

Compare GroqCloud's fixed endpoint with OpenRouter's current lowest catalog rate for GPT-OSS 120B. This comparison holds the model and token workload constant; it does not assume identical infrastructure, latency, or service limits.

OpenAI modelSources checked 2026-07-15
Official route fields

Provider pricing and route limits

Prices are USD per 1M tokens. “Not published” means the official tracked source does not expose that field.

FieldGroqCloudOpenRouter
Pricing basisFixed provider endpointCurrent catalog floor
API model IDopenai/gpt-oss-120bopenai/gpt-oss-120b
Input / 1M$0.15$0.037
Cached input / 1M$0.075 / 1MNot published
Output / 1M$0.60$0.17
Published route context131,072 tokens131,072 tokens
Published maximum output65,536 tokensNot published
Editable workload

GPT-OSS 120B monthly API cost

Token inference only. Provider payment, BYOK, tool, storage, and untracked request fees are excluded.

Fixed provider endpoint

GroqCloud

$4.50 / month
Input cost
$1.50
Output cost
$3.00
Per 1,000 calls
$0.45
Cache pricing
$0.075 / 1M
View GroqCloud pricing
Current catalog floor

OpenRouter

$1.22 / month
Input cost
$0.37
Output cost
$0.85
Per 1,000 calls
$0.122
Cache pricing
Not published
View OpenRouter pricing

OpenRouter is $3.28 lower per month for the default workload. This is a route-price result, not a service-quality ranking.

Additional fee boundary: OpenRouter credit purchases currently carry a separate 5.5% fee with a minimum charge. The token estimate below does not add payment or BYOK fees.
StackLens assessment

What to test before switching routes

  • OpenRouter's catalog floor is not a fixed quote from one underlying host.
  • OpenRouter payment and BYOK fees are excluded from the workload estimate.
  • Evaluate provider pinning, fallback behavior, and spend controls before routing production traffic.
Same-model boundary

What this comparison controls

Both routes call OpenAI's GPT-OSS 120B using the published API model string. Provider infrastructure, quantization, request limits, routing, retention controls, and operational behavior can still differ.