Groq API vs OpenRouter API (2026): pricing, limits and models compared

Groq is a serving provider for its hosted catalog, while OpenRouter routes requests across supported providers and models. Decide whether you need a direct serving relationship or a routing layer before comparing an apparently identical model name.

Side by side

This table compares each provider’s lowest documented baseline input-price model. Baseline prices use standard or short-context conditions and exclude separate free-tier and off-peak rows when paid standard rates exist. The full pricing reference preserves all documented conditions.

API model comparison
Attribute	Safety GPT OSS 20B	inclusionAI: Ling 3.0 Flash VL (free)
Provider	Groq	OpenRouter
Official identifier	`openai/gpt-oss-safeguard-20b`	`inclusionai/ling-3.0-flash-vl:free`
Input USD / 1M	$0.075	Free
Output USD / 1M	$0.3	Free
Cached input USD / 1M	Not documented	Not documented
Context tokens	131,072	262,144
Maximum output tokens	65,536	32,768
Modalities	text	text, image, video
OpenAI-compatible endpoint	Yes	Yes
SDK languages	Python, JavaScript, TypeScript	Python, JavaScript
Reference	Safety GPT OSS 20B	inclusionAI: Ling 3.0 Flash VL (free)

Last verified 12 Sep 2026 · Source ↗

Read the source and pricing condition beside a value before comparing it. The table describes published records; it does not establish which model will perform best on your task.

Pricing differences

Groq publishes prices for its supported serving options. OpenRouter’s routing decisions can select among endpoints with different prices and conditions for the requested model. Official documentation.

OpenRouter provider selection supports routing preferences. Record the actual endpoint used when reconciling an estimate with a response. Official documentation.

Compare the complete route, not only the upstream family. The same model lineage can be offered through different serving conditions. Keep provider selection, cache behavior and any platform charges with the workload estimate.

Groq pricing and OpenRouter pricing explain the full charge categories. Use the cost calculator with the same observed workload for both.

Limits and free tiers

Groq’s Free and Developer plans describe different access and feature conditions. Check organization capacity rather than assume a key gives unlimited service. Official documentation.

OpenRouter free variants have their own restrictions. A free model route should be evaluated under those terms and its current availability. Official documentation.

Use separate queues and diagnostics for a direct-provider limit and a routing failure. A fallback policy can improve continuity only if the alternatives are permitted, affordable and capable of completing the same task. It is not an exemption from capacity constraints.

Models and modalities

Groq’s catalog tells you which models and systems it currently serves. OpenRouter’s catalog describes a broader set of routed offerings. Breadth is valuable for evaluation and fallback, while a fixed serving choice can make an operating contract easier to trace.

Provider fallback and model fallback are distinct OpenRouter concepts. A provider change can keep the model choice, while a model fallback changes the requested model itself. Official documentation.

Keep that distinction in evaluation logs. A successful answer after a fallback may come from a different model, so it cannot be used as evidence that the original model completed the task.

Developer experience (SDKs, compatibility, docs)

Groq supports an OpenAI-compatible path and documents unsupported fields. Validate the exact payload rather than assume every client option passes through. Official documentation.

OpenRouter can restrict routing to endpoints that support requested parameters. Its require_parameters option is useful when silent feature loss would invalidate a task. Official documentation.

OpenRouter errors can also be represented inside a response body or stream. Inspect the documented error shape instead of treating every successful HTTP connection as a completed model answer. Official documentation.

Which to pick for … (3 scenarios)

A fixed model in production. Choose direct Groq when its documented serving contract and measured results fit the application and you want that route explicitly controlled. Compare the same route through OpenRouter only with its actual conditions recorded.

A model evaluation platform. Consider OpenRouter when broad model access and configurable routes are required. Keep each tested provider, model and payload option in the result record so comparisons remain reproducible.

An application needing fallback. Define allowed alternatives and their budgets in advance. Use routing only when each fallback preserves required capabilities, and expose when a different model produced the result.

Choose with a saved evaluation set and an explicit operating budget. Groq setup and reference and OpenRouter setup and reference link the first-request steps.

Last verified 12 Sep 2026 · Source ↗

Frequently asked questions

Does OpenRouter always serve the model itself?

It provides routing across supported endpoints. Inspect the selected provider and route conditions.

Is provider fallback the same as model fallback?

No. Model fallback changes the model; provider routing can choose an endpoint for the requested model. Official documentation.

Can I assume identical behavior from the same upstream family?

No. Verify the exact identifier, supported parameters and serving configuration, then evaluate the real request.

Can a successful HTTP status still contain an error?

OpenRouter documents error handling in response bodies and streams. Inspect completion content and diagnostics. Official documentation.

How should a fallback be approved by an application?

Predefine allowed models, providers, capabilities and cost bounds. Preserve the actual route in logs and show a failed state when no allowed alternative remains.

Sources

Last verified 12 Sep 2026 · Source ↗