Muse Wonder Full

MetaMCP Tool CallReasoning
meta/muse-wonder-fullClosed API

Muse Wonder Full is the most capable model in Meta's Muse Wonder series, built for long-running professional agents and ultra-long-horizon software engineering. It shares Muse Wonder's Active Memory and Active Focus capabilities and generally scores higher on Meta's agentic and coding evaluations.

Benchmark Pricing$0.00 / 1M in$0.00 / 1M out
Context: 1,048,576 tokens•Max Output: 4,096 tokens•Released: 2026-10-12

TECHNICAL SPECIFICATIONS

Context Window1,048,5761M tokens
Max Output4,0964.1K tokens
LicenseProprietaryCloud API only
Input Modalities
TextVisionAudioVideo
Function / Tool CallingSupported (MCP Ready)
Structured OutputsGuaranteed Schema

MODEL CONTEXT PROTOCOL (MCP) READINESS

✓ Muse Wonder Full natively supports OpenAI / Anthropic format tool calling and is fully compatible with MCP servers and agent loops.

MCP Context Window Recommendations

With a context capacity of 1,048,576 tokens, this model can handle extremely large MCP resource manifests, complete database schemas, and multiple active server tool definitions simultaneously without degradation.

STANDARDIZED BENCHMARKS & EVALS

Harvey Legal Agent Benchmarkall-pass rate
13.1
Finance Agentaccuracy
59.1
HealthBench Professionallength-normalized weighted rubric score
62.3
AutomationBenchstrict pass@1
45.4
GDP.pdfscore
33.2
JobBenchmean reward
75.3
OSWorldmean partial score
78.4
OSWorldbinary completion rate
39.4
Terminal-Benchaccuracy
57.1
DeepSWEpass@1
79
SWE-Marathonpass@1
57.5
ProgramBenchshare of rollouts passing at least 95% of tests
59
Artificial Analysis Intelligence Indexindex score
56

API CALL INVOCATION EXAMPLE

// Example: Calling Muse Wonder Full via OpenAI SDK
import OpenAI from "openai";

const client = new OpenAI({
  apiKey: process.env.META_API_KEY,
});

const response = await client.chat.completions.create({
  model: "meta/muse-wonder-full",
  messages: [{ role: "user", content: "Hello! Can you inspect MCP tools?" }],
});

console.log(response.choices[0].message.content);

PRICING BY PROVIDER

0 providers

Rates in USD per 1M tokens. Rates synchronized from models.dev public catalog.

MODEL RESOURCES