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meta-llama/llama-4-maverick
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Llama 4 Maverick

Llama 4 Maverick 17B Instruct (128E) is a high-capacity multimodal language model from Meta, built on a mixture-of-experts (MoE) architecture with 128 experts and 17 billion active parameters per forward pass (400B total). It supports multilingual text and image input, and produces multilingual text and code output across 12 supported languages. Optimized for vision-language tasks, Maverick is instruction-tuned for assistant-like behavior, image reasoning, and general-purpose multimodal interaction. Maverick features early fusion for native multimodality and a 1 million token context window. It was trained on a curated mixture of public, licensed, and Meta-platform data, covering ~22 trillion tokens, with a knowledge cutoff in August 2024. Released on April 5, 2025 under the Llama 4 Community License, Maverick is suited for research and commercial applications requiring advanced multimodal understanding and high model throughput.

4/5/2025
1,048,576 tokens
#104 Vision (Overall)

Specifications

Modalities

Input
text
image
Output
text

Supported Parameters

frequency_penalty
logit_bias
max_tokens
min_p
presence_penalty
repetition_penalty
response_format
seed
stop
structured_outputs
temperature
tool_choice
tools
top_k
top_p

Max Output Tokens

16,384

Frequently asked questions

Is Llama 4 Maverick available on FastMetal?
Not at the moment. GLM 5.3 Flash, from the same lab, is available on the FastMetal API today.
What is the context window of Llama 4 Maverick?
1,048,576 tokens, shared between the prompt and the response.
How does Llama 4 Maverick rank?
#173 on the public arena's Japanese board (ELO 1,258). Ranks move as the leaderboard is updated.

Leaderboard

Text
OverallELO: 1,327
#235
JapaneseELO: 1,258
#173
ChineseELO: 1,333
#229
KoreanELO: 1,262
#192
EnglishELO: 1,340
#243
frenchELO: 1,298
#222
germanELO: 1,331
#172
spanishELO: 1,324
#198
russianELO: 1,327
#217
CodingELO: 1,373
#225
MathELO: 1,317
#215
Creative WritingELO: 1,307
#210
Instruction FollowingELO: 1,313
#236
Hard PromptsELO: 1,338
#229
Multi-TurnELO: 1,326
#227
Vision
OverallELO: 1,145
#104