# MythoMax 13B

> MythoMax 13B is an open-weight language model from Gryphe, released on 2 Jul 2023. It accepts text and generates text, with a 8K-token context window and up to 4K output tokens per response. As of 4 Oct 2026, the lowest listed API price is $0.08 per million input tokens and $0.11 per million output tokens (OpenRouter), across 1 provider we track.

Source page: https://www.aimodel.directory/models/mythomax-l2-13b
Last verified: 4 Oct 2026

## Specifications

- **Developer:** Gryphe
- **Release date:** 2 Jul 2023 (source: OpenRouter, https://openrouter.ai/gryphe/mythomax-l2-13b)
- **Status:** Generally available
- **Weights:** Open weights (source: Hugging Face, https://huggingface.co/Gryphe/MythoMax-L2-13b)
- **Context window:** 8K (8,192 tokens) (source: OpenRouter, https://openrouter.ai/gryphe/mythomax-l2-13b)
- **Max output:** 4K tokens (source: OpenRouter, https://openrouter.ai/gryphe/mythomax-l2-13b)
- **Knowledge cutoff:** 30 Jun 2023 (source: OpenRouter, https://openrouter.ai/gryphe/mythomax-l2-13b)
- **Input:** Text (source: OpenRouter, https://openrouter.ai/gryphe/mythomax-l2-13b)
- **Output:** Text (source: OpenRouter, https://openrouter.ai/gryphe/mythomax-l2-13b)
- **Reasoning mode:** No (source: OpenRouter, https://openrouter.ai/gryphe/mythomax-l2-13b)
- **Tool calling:** No (source: OpenRouter, https://openrouter.ai/gryphe/mythomax-l2-13b)
- **Structured output:** Yes (source: OpenRouter, https://openrouter.ai/gryphe/mythomax-l2-13b)
- **Hugging Face:** Gryphe/MythoMax-L2-13b (source: Hugging Face, https://huggingface.co/Gryphe/MythoMax-L2-13b)

## API pricing (USD per 1M tokens)

| Provider | Input | Output | Cached input | Context |
|---|---|---|---|---|
| OpenRouter | $0.08 | $0.11 | – | 4K |

## FAQ

### What is the context window of MythoMax 13B?

MythoMax 13B has a context window of 8,192 tokens (8K) and can generate up to 3,686 tokens in a single response, according to OpenRouter.

### How much does the MythoMax 13B API cost?

MythoMax 13B is listed from $0.08 per million input tokens and $0.11 per million output tokens (OpenRouter). Prices last verified 4 Oct 2026.

### Is MythoMax 13B open source?

MythoMax 13B is an open-weight model: its weights are published on Hugging Face as Gryphe/MythoMax-L2-13b. Check the license terms before commercial use.

### When was MythoMax 13B released?

Gryphe released MythoMax 13B on 2 Jul 2023, according to OpenRouter.

---
Data licensed CC BY 4.0. Cite as: AI Model Directory, "MythoMax 13B", https://www.aimodel.directory/models/mythomax-l2-13b