What is the context window of MythoMax 13B?

MythoMax 13B supports a context window of 8K tokens.

Is MythoMax 13B free to use?

MythoMax 13B is a paid model. It costs $0.080 per million input tokens and $0.110 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.

MythoMax 13B API Pricing — $0.080 Input / $0.110 Output per 1M Tokens

Q: How much does MythoMax 13B cost?

MythoMax 13B costs $0.080 per million input tokens and $0.110 per million output tokens via OpenRouter. Pricing was last updated Oct 29, 2026.

MythoMax 13B by Gryphe — $0.080 input / $0.110 output per 1M tokens via OpenRouter. Context: 8K tokens. Pricing last updated Oct 29, 2026.

Input / 1M tokens

$0.080

Output / 1M tokens

$0.110

Provider

Gryphe

Context window

8K tokens

Via

OpenRouter

Cost at common usage volumes

Usage	Daily	Monthly
Chatbot (100/day)	$0.018	$0.53
Small app (1K/day)	$0.135	$4.05
Mid-scale (10K/day)	$2.15	$64.50
Large scale (100K/day)	$51.00	$1530.00

Model ID: gryphe/mythomax-l2-13b
Data source: OpenRouter public API — updated Oct 29, 2026.

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About MythoMax 13B

MythoMax 13B is an LLM developed by Gryphe. Input costs $0.080 per million tokens and output costs $0.110 per million tokens via OpenRouter. It supports a context window of 8K tokens.

Pricing Details

Via the OpenRouter API:

Input tokens: $0.080 per 1 million tokens
Output tokens: $0.110 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 MythoMax 13B Cost?

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

Daily cost: $0.1350
Monthly cost: $4.050

Accessing MythoMax 13B via OpenRouter

OpenRouter provides a unified API for 200+ LLMs including MythoMax 13B. 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 gryphe/mythomax-l2-13b.

Compare MythoMax 13B with Other Models

Use the AI Model Cost Comparison tool to compare MythoMax 13B 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. MythoMax 13B is available on OpenRouter with the model ID gryphe/mythomax-l2-13b. OpenRouter provides a unified API compatible with OpenAI's SDK format.