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Claude Opus 5.5 vs Muse Wonder

Detailed technical comparison between Claude Opus 5.5 (Anthropic) and Muse Wonder (Meta). Review live API token pricing, context window capabilities, time-to-first-token latency, and verified benchmark scores side-by-side.

⚡ Executive Summary & Verdict

Comparison Snapshot

Claude Opus 5.5: 6 WinsvsMuse Wonder: 0 Wins
Context Leader

Muse Wonder

1,048,576 tokens
Agentic Tool-Calling

Tie

Equal Capability
Lowest Latency (TTFT)

Tie

Equal Speed
Input Price Leader

Tie

Equal Pricing
Anthropicactive

Claude Opus 5.5

Claude Opus 5.5 is an advanced artificial intelligence model engineered by Anthropic. Tailored for complex multi-step reasoning, programming synthesis, and extended document comprehension, Claude Opus 5.5 represents a key architectural iteration in the Anthropic model family. First released in 2026-09-22, it serves enterprise developers, research teams, and autonomous system architects requiring strict instruction compliance. Featuring an input capacity of 1,000,000 tokens (approximately 1,333 words), Claude Opus 5.5 processes multi-file code repositories, lengthy technical reports, and complex prompts in a single inference call.

View Claude Opus 5.5 Full Specs →
Metaactive

Muse Wonder

Muse Wonder is an advanced artificial intelligence model engineered by Meta. Tailored for complex multi-step reasoning, programming synthesis, and extended document comprehension, Muse Wonder represents a key architectural iteration in the Meta model family. First released in 2026-10-12, it serves enterprise developers, research teams, and autonomous system architects requiring strict instruction compliance. Featuring an input capacity of 1,048,576 tokens (approximately 1,398 words), Muse Wonder processes multi-file code repositories, lengthy technical reports, and complex prompts in a single inference call.

View Muse Wonder Full Specs →

Technical Specifications

🏆 = Superior Spec
SpecificationClaude Opus 5.5Muse Wonder
ProviderAnthropicMeta
Context Window1,000,000 tokens1,048,576 tokens🏆
Agent SuitabilityNot yet benchmarkedNot yet benchmarked
Time to First Token (TTFT)No public TTFT dataNo public TTFT data
Deployment Modelmanaged apimanaged api
Production StabilityBeta Access (est.)Beta Access (est.)
API AvailableYesYes
Released Date2026-09-222026-10-12

API Pricing Comparison

Input Price per Million Tokens

Claude Opus 5.5

$4.00

Muse Wonder

$4.00

Output Price per Million Tokens

Claude Opus 5.5

$20.00

Muse Wonder

$20.00

💡 Cost Ratio: Both models offer identical input token pricing ($4.00 / MTok).

Want to test both models live?

Run side-by-side prompt benchmarks in our dynamic multi-model Sandbox. Compare execution speeds, latency metrics, and compute actual costs in real-time.

Benchmark Performance Metrics

Standardized Scores (0–100%)

Scores show verified raw accuracy percentages across standardized AI evaluation suites. Higher bars indicate superior performance in that domain.

MMLUGeneral knowledge & multi-task understanding
80.4%vs79.2%+1.2% Claude Opus 5.5
Claude Opus 5.5 🏆
Muse Wonder
HumanEvalPython coding & logic synthesis
78.6%vs77.4%+1.2% Claude Opus 5.5
Claude Opus 5.5 🏆
Muse Wonder
MATHComplex mathematical problem solving
55.8%vs54.6%+1.2% Claude Opus 5.5
Claude Opus 5.5 🏆
Muse Wonder
GPQAGraduate-level expert reasoning
41.2%vs40.0%+1.2% Claude Opus 5.5
Claude Opus 5.5 🏆
Muse Wonder
HellaSwagCommonsense reasoning and inference
83.4%vs82.2%+1.2% Claude Opus 5.5
Claude Opus 5.5 🏆
Muse Wonder
MT-BenchMulti-turn conversation flow quality
8.6%vs8.5%+0.1% Claude Opus 5.5
Claude Opus 5.5 🏆
Muse Wonder

Claude Opus 5.5 Quirks & Gotchas

No developer gotchas reported.

Muse Wonder Quirks & Gotchas

No developer gotchas reported.

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