OpenRouter Models API Cost Calculator & Comparison

Every OpenRouter model, side by side — current API rates, context window, benchmarks, and a live calculator that ranks them at your exact workload. 4 active models, 4 with public pricing. Prices refreshed daily.

Models tracked

4

Active

4

With public pricing

4

Cheapest input

$0.00/1M

Calculate your OpenRouter API cost at your workload.

Set your workload — every priced model ranks in real time.

Adjust the workload

Every model below updates in real time.

1,00010,00050,000250,0001M10M

Ranked by your monthly bill

No models with public pricing available to compare right now.

Pricing at a glance

Blended $/1M tokens across the lineup.

Blended price uses a 3-to-1 input/output ratio. Green bar = cheapest.

Quick picks

Best OpenRouter model for your use case.

As of April 2026, OpenRouter offers 4 active models via API, starting at $0/1M input tokens. The most context-rich model handles up to 2M tokens. Models support vision. All prices are USD per 1 million tokens.

Lowest cost

Body Builder (beta)

$0/1M input

Largest context

Auto Router

2M tokens

Vision / multimodal

Free Models Router

Image input

Quality vs price

OpenRouter benchmarks at a glance.

No benchmark data yet for OpenRouter.

Every model

Every OpenRouter model — pricing, context & capabilities.

ModelContextInput /1MOutput /1M
Body Builder (beta)128K$0.0$0.0
Elephant262K$0.0$0.0
Free Models Router200K$0.0$0.0
Auto Router2M$0.0$0.0

FAQ

OpenRouter — questions we see most.

Pricing patterns, best-known use cases, and how this provider stacks up.

Get instant answers from our AI agent

OpenRouter API pricing ranges starting at $0 per 1M input tokens. Output tokens cost more than input on every model. Prices are per 1 million tokens (1M ≈ 750,000 words). Use the calculator above to estimate your monthly spend at your actual workload.
Body Builder (beta) is the lowest-priced OpenRouter model with public pricing at $0/1M input tokens. It suits high-volume tasks where cost matters most — classification, extraction, summarization, and similar workloads that don't need frontier reasoning.
Body Builder (beta) is OpenRouter's highest-tier model at $0/1M input. It delivers the most sophisticated reasoning, instruction-following, and nuance. For workloads that don't require frontier performance, a mid-tier model typically cuts inference costs substantially.
Yes — Free Models Router, Auto Router accept image input alongside text. You can pass screenshots, photos, charts, and documents for analysis. Vision adds no separate line-item on most OpenRouter models — you're billed for the token equivalent of the image.
Yes — OpenRouter supports prompt caching (discounts for repeated context) and batch processing (accept a delay, cut costs ~50%). These rates appear in the table above under "Cached /1M" and "Batch /1M." Caching pays off quickly if your prompts share a long system prompt or document prefix across many calls.
OpenRouter has historically adjusted prices when launching new model generations, often cutting rates to stay competitive. Buzzi.ai snapshots pricing daily — you can subscribe to price-drop alerts on any OpenRouter model using the "Alert me" button on its detail page.
Use the main comparison wizard to run the same calculator across OpenRouter, Anthropic, Google, Meta, Mistral, and 20+ other providers. Set your exact workload and get a ranked cost chart in under a minute.

Look wider

Compare OpenRouter against other providers.

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