Meta

Meta: 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...

Tool callingVisionStreamingJSON mode
1.05M token context Released Apr 5, 2025

Intelligence overview

0
Intelligence
0
Coding
0
Agentic

1.05M tok

Context window

16.4K tok

Max output

Capabilities

What Meta: Llama 4 Maverick can do.

Multimodal

Image understanding

Reads and reasons over images alongside text in the same prompt.

Development

Tool calling

Calls external functions mid-response, then continues reasoning from the result.

Structured output

Returns responses constrained to a JSON schema, ready to parse without cleanup.

Streaming

Streams tokens as they're generated instead of waiting on the full response.

Performance

Intelligence9.3
Artificial Analysis
Coding16.3
Artificial Analysis
Agentic0.6
Artificial Analysis

Design Arena — ranked #110 across 6 categories

Pricing

Pay for what you use.

Every model in UltraGPT runs behind one flat subscription — this is the underlying per-token cost the catalog tracks.

INPUT

$0.188 / 1M tok

OUTPUT

$0.652 / 1M tok

Use cases

Built for serious work.

Build

Generate and refactor code, with the ability to run and verify tool calls and return structured, parseable output.

Research

Holds up to 1.05M tokens of source material in context without losing the thread.

Create

Reads images alongside a prompt to ground creative and design work in what's actually on screen.

Preview

Ask Meta: Llama 4 Maverick anything.

A preview of the real UltraGPT composer — the model you see here is the model you get.

Meta: Llama 4 Maverick Ready

Continues in the UltraGPT app — one login, every model.

Comparison

How Meta: Llama 4 Maverick stacks up.

The closest models in the catalog by provider, capability and score — real entries, pulled from the same directory.

Specification

Technical details.

Specification

Context window
1.05M tokens
Max output
16.4K tokens
Input modalities
Text + Image
Output modalities
Text
Knowledge cutoff
Aug 31, 2024
Release date
Apr 5, 2025
Streaming
Supported
Tool calling
Supported
JSON mode
Supported

Model identity

Provider
Meta
Provider ID
meta-llama

Model ID

Directory

More from Meta, and everything else.

This model is one entry in the full UltraGPT catalog — browse the rest, compare pricing and context windows, or filter by capability.

Meta: Llama 4 Maverick, one subscription away.

UltraGPT puts this model — and every other one in the directory — behind a single login and one flat monthly price.