Atlas / Models / Gryphe / MythoMax 13B

MythoMax 13B✓ Catalog verified

gryphe/mythomax-l2-13b

One of the highest performing and most popular fine-tunes of Llama 2 13B, with rich descriptions and roleplay. #merge

Input price
$0.06 /1M
Output price
$0.06 /1M
Context
4K
Modalities
text
Released
Jul 2, 2023
Tool calling
Atlas signal
75/100
01

Overview

One of the highest performing and most popular fine-tunes of Llama 2 13B, with rich descriptions and roleplay. #merge

Access: available through the official Gryphe API. Context window: 4K.

Pricing and metadata from the ModelsAtlas catalog.Last refreshed Aug 5, 2026
02

Specifications

API identifiergryphe/mythomax-l2-13b
ProviderGryphe
Model typeText LLM
Context window4K catalog
Input modalitiestext
Output modalitiestext
ReleasedJul 2, 2023
TokenizerLlama2
Instruction formatalpaca
ModeratedNo
Architecture modalitytext->text
Supported parameters
frequency_penaltylogit_biaslogprobsmax_tokensmin_ppresence_penaltyrepetition_penaltyresponse_formatseedstopstructured_outputstemperaturetop_atop_ktop_logprobstop_p
Source: provider documentation + catalog feedMethodology →
03

Pricing

Live pricing components for gryphe/mythomax-l2-13b as published in the catalog.

$0.06
Input /1M
$0.06
Output /1M
Per request
Per image
Pricing componentRaw unit priceNormalizedUnit
Prompt tokens$6e-8$0.06 / 1MPer input token
Completion tokens$6e-8$0.06 / 1MPer output token
Request feeN/AN/APer request
Image feeN/AN/APer image unit
Web search feeN/AN/APer search request
Source: catalog pricing feedCompare all pricing →Cheapest models →
04

Cost calculator

Estimate monthly spend from your own token volumes.

Scale / Volume

Estimated Total Cost

$0.04Calculated from current list pricing in the ModelsAtlas catalog.
05

Capabilities

CapabilityStatusWhat it means
Visual UnderstandingNot advertisedImage and document analysis support
Audio ProcessingNot advertisedSpeech and voice aligned flows
Tool CallingNot advertisedSupports tools / function calling
Self-HostingNot advertisedDeploy outside managed APIs
Derived from catalog capability tags and supported parameters
06

Capability signals

Directional signals derived from model metadata and capability tags — not official benchmark submissions.

MythoMax 13B
MMLU Signal (Reasoning)
74signal
Coding Signal (HumanEval proxy)
77signal
Math Signal (GSM8K proxy)
74signal
Science Signal (GPQA proxy)
74signal
Estimated from metadata — not an official benchmark runAll benchmarks →Methodology →
07

Quick start

Call MythoMax 13B through an OpenAI-compatible client.

from openai import OpenAI

client = OpenAI(
    base_url="https://openrouter.ai/api/v1",
    api_key="YOUR_API_KEY"
)

response = client.chat.completions.create(
    model="gryphe/mythomax-l2-13b",
    messages=[{"role": "user", "content": "Explain quantum physics."}]
)

print(response.choices[0].message.content)
08

Alternatives

Closest models by context window from a different provider.

09

Sources & attribution

Pricing and metadata are maintained in the ModelsAtlas catalog.

Capability bars use metadata tags — directional estimates onlyHow we source and verify data →
10

Frequently asked questions

How much does MythoMax 13B cost?

$0.06 per 1M input tokens and $0.06 per 1M output tokens on the official Gryphe API.

What is the context window of MythoMax 13B?

MythoMax 13B supports up to 4K tokens of context.

Does MythoMax 13B support tool / function calling?

MythoMax 13B does not advertise first-class tool/function calling. Check vendor docs for the latest capabilities.

How do I access MythoMax 13B?

Use the official Gryphe API with the model id `gryphe/mythomax-l2-13b`. See the Quick start section above for code examples.