What is the context window of Inception: Mercury 2?

Inception: Mercury 2 supports a context window of 128K tokens.

Is Inception: Mercury 2 free to use?

Inception: Mercury 2 is a paid model. It costs $0.250 per million input tokens and $0.750 per million output tokens.

How is LLM API pricing calculated?

LLM pricing has two components: input tokens (everything you send) and output tokens (what the model generates). Total cost = (prompt tokens × input rate + output tokens × output rate) / 1,000,000 × number of requests.

Inception: Mercury 2 API Pricing — $0.250 Input / $0.750 Output per 1M Tokens

Q: How much does Inception: Mercury 2 cost?

Inception: Mercury 2 costs $0.250 per million input tokens and $0.750 per million output tokens via OpenRouter. Pricing was last updated Oct 29, 2026.

Inception: Mercury 2 by Inception — $0.250 input / $0.750 output per 1M tokens via OpenRouter. Context: 128K tokens. Pricing last updated Oct 29, 2026.

Input / 1M tokens

$0.250

Output / 1M tokens

$0.750

Provider

Inception

Context window

128K tokens

Via

OpenRouter

Cost at common usage volumes

Usage	Daily	Monthly
Chatbot (100/day)	$0.106	$3.19
Small app (1K/day)	$0.625	$18.75
Mid-scale (10K/day)	$8.75	$262.50
Large scale (100K/day)	$200.00	$6000.00

Model ID: inception/mercury-2
Data source: OpenRouter public API — updated Oct 29, 2026.

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About Inception: Mercury 2

Inception: Mercury 2 is an LLM developed by Inception. Input costs $0.250 per million tokens and output costs $0.750 per million tokens via OpenRouter. It supports a context window of 128K tokens.

Pricing Details

Via the OpenRouter API:

Input tokens: $0.250 per 1 million tokens
Output tokens: $0.750 per 1 million tokens

A token is roughly 0.75 words. For context: a typical user message of 100 words is approximately 133 tokens; a 500-word system prompt is about 650 tokens.

How Much Does Inception: Mercury 2 Cost?

For a typical chatbot application (1,000 requests/day, 1,000 prompt tokens and 500 output tokens per request):

Daily cost: $0.6250
Monthly cost: $18.750

Accessing Inception: Mercury 2 via OpenRouter

OpenRouter provides a unified API for 200+ LLMs including Inception: Mercury 2. You can use it with any OpenAI-compatible SDK by setting the base URL to https://openrouter.ai/api/v1 and using your OpenRouter API key. The model ID is inception/mercury-2.

Compare Inception: Mercury 2 with Other Models

Use the AI Model Cost Comparison tool to compare Inception: Mercury 2 against GPT-4o, Claude 3.5 Sonnet, Gemini 1.5 Pro, or any other model side by side. Or use the LLM API Cost Calculator to browse all 456+ models sorted by cost for your specific usage.

Frequently Asked Questions

Yes. Inception: Mercury 2 is available on OpenRouter with the model ID inception/mercury-2. OpenRouter provides a unified API compatible with OpenAI's SDK format.