Tested and reviewed by Jonathan West · Updated Oct 12, 2026

Muse Wonder vs GPT-6.1: Capabilities, Benchmarks, and Pricing

A Head-to-Head Evaluation of Meta and OpenAI Flagship Models for Business Workflows

Tested and reviewed by Jonathan West · Updated Oct 12, 2026

On October 12, 2026, Meta introduced the Muse Wonder series, consisting of Muse Wonder and Muse Wonder Full, as frontier foundation models engineered for multi-step agentic execution across enterprise workflows. The release represents Meta's transition from lighter low-latency tools such as Muse Spark to large-scale reasoning architectures trained at its Prometheus data center. Both models feature a native 1,000,000 token context window, cross-session persistent memory, and operating-system navigation capabilities across desktop, web, and mobile environments.

Compared to OpenAI's GPT-6.1, which serves as the established general-purpose standard for enterprise reasoning and text generation, Muse Wonder shifts system behavior toward autonomous, long-running execution. Meta built specialized domain evaluations into the model family, posting scores on legal, financial, and healthcare agent benchmarks while introducing active recovery mechanisms that retry failed tool calls over hours-long operational horizons. GPT-6.1 retains an advantage on broad coding synthesis and structured document analysis, whereas Muse Wonder targets complex tool delegation, multi-file software refactoring, and persistent memory across user sessions.

For business operators evaluating these platforms for production deployment, the choice centers on workflow autonomy versus predictable inference cost. Teams building customer-intake workflows, automated paralegal drafting, or compliance tracking must weigh Muse Wonder's competitive prompt-caching rates and long-horizon autonomy against OpenAI's mature regulatory certifications, established Business Associate Agreement (BAA) infrastructure, and enterprise data controls.

Muse Wonder vs. GPT-6.1: Side-by-Side

DimensionMuse WonderGPT-6.1
Developer and Base ArchitectureMeta (Muse Wonder / Muse Wonder Full, trained at Prometheus data center)OpenAI (GPT-6.1 frontier reasoning model family)
Context Window1,000,000 tokens (1M input and output capacity)1,000,000 tokens (1M input with 128k output limit)
Standard API Token Pricing$4.00 per million input, $0.20 cached input, $20.00 output (muse-wonder-1.0)$5.00 per million input, $1.25 cached input, $20.00 output
Premium Access ModelMuse Code subscription only for Full model ($50 to $200 per month; no direct per-token API)Direct API tier access with custom enterprise agreement and seat tiers
Long-Horizon Agent BenchmarksSWE-Marathon: 57.5% (Full) / 53.1% (base); DeepSWE 1.1: 79.0%SWE-Marathon: 42.5% to 46.3% range; DeepSWE 1.1: 74.1%
Domain EvaluationsHarvey LAB-AA: 13.1%; Vals Finance Agent V2: 59.1%; HealthBench Pro: 62.3%Harvey LAB-AA: 8.6%; Vals Finance Agent V2: 53.5%; HealthBench Pro: 65.3%
Regulatory and Compliance PostureOpenAI-SDK compatible API; full safety report pending under Superintelligence Scaling FrameworkSOC 2 Type II certified, ISO 27001, HIPAA BAA available for enterprise accounts

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Official Benchmark Results for Muse Wonder and GPT-6.1

Vendor-published benchmark scores place Muse Wonder ahead in specialized agent autonomy and domain-specific agentic tasks, while OpenAI's frontier architecture retains leads in professional document synthesis and healthcare evaluations. Meta published detailed evaluation tables covering Muse Wonder, Muse Wonder Full, and rival frontier systems including GPT-6 Astra, Claude Opus 5.5, and Claude Fable 5.1 across identical reasoning thresholds. These figures reflect vendor-reported evaluations under maximum reasoning effort settings rather than independent third-party replications.

On domain-specific tasks, Muse Wonder Full recorded 13.1% on the Harvey Legal Agent Benchmark (Harvey LAB-AA), compared to 10.0% for base Muse Wonder and 8.6% for GPT-6 Astra. On the Vals Finance Agent V2 test, Muse Wonder Full achieved 59.1% and base Muse Wonder scored 56.6%, against 53.5% for GPT-6 Astra. On HealthBench Pro, however, GPT-6 Astra led the group at 65.3%, outperforming base Muse Wonder at 60.5% and Muse Wonder Full at 62.3%.

Long-horizon coding and operational autonomy tests show noticeable divergence between the two architectures. On the SWE-Marathon software engineering benchmark, Muse Wonder Full reached 57.5% at extra-high reasoning effort, while base Muse Wonder posted 53.1%, surpassing the 42.5% recorded by GPT-6 Astra. For computer use evaluated on OSWorld Version 2.1, Muse Wonder Full achieved a 78.4% partial score and 39.4% binary score, while GPT-6 Astra recorded 75.8% partial and 34.3% binary. OpenAI retains the lead on professional knowledge synthesis in the GDP.pdf benchmark with a score of 34.2%, compared to 33.2% for Muse Wonder Full and 30.8% for standard Muse Wonder.

  • Personal Superintelligence Index: Muse Wonder Full scored 59.1%, base Muse Wonder scored 54.3%, and GPT-6 Astra scored 54.5%.
  • DeepSWE 1.1 Long-Horizon Coding: Muse Wonder Full reached 79.0% and base Muse Wonder reached 78.8%, compared to 74.1% for GPT-6 Astra.
  • AutomationBench-AA Workflow Execution: Muse Wonder Full scored 45.4% and base Muse Wonder reached 39.1%, compared to 41.6% for GPT-6 Astra.
  • JobBench Professional Tool Use: Muse Wonder Full recorded 75.3% and base Muse Wonder scored 70.5%, against 66.1% for GPT-6 Astra.
  • MemoryBench Retrieval Accuracy: Muse Wonder Full posted 85.5% and base Muse Wonder posted 85.6%, compared to 81.4% for GPT-6 Astra.

API Token Pricing and Subscription Cost Structures

Inference cost comparisons between Muse Wonder and GPT-6.1 depend heavily on whether a workload benefits from prompt caching. Standard Application Programming Interface (API) access for the base Muse Wonder model (model identifier muse-wonder-1.0) costs $4.00 per million input tokens and $20.00 per million output tokens on the Meta Model API. Meta prices cached input tokens at $0.20 per million tokens, representing a 95% discount against uncached input. GPT-6.1 lists at $5.00 per million input tokens, $1.25 per million cached input tokens, and $20.00 per million output tokens through OpenAI.

Access packaging differs fundamentally for each provider's flagship tier. Meta does not offer its most capable model, Muse Wonder Full (muse-wonder-full-1.0), as a standalone pay-as-you-go API endpoint. Instead, Muse Wonder Full is packaged exclusively within Muse Code developer subscriptions, requiring either the Power Usage plan at $50.00 per month or the Maximum Usage plan at $200.00 per month.

By contrast, OpenAI allows enterprises to query GPT-6.1 directly through API endpoints without obligating developers to maintain fixed developer seat licenses. Organizations operating autonomous agent loops that process extensive context windows of 500,000 tokens or more can achieve lower operational bills using Muse Wonder's $0.20 cached input tier. Workloads with variable, low-frequency spikes may find OpenAI's purely consumption-based billing easier to budget than locked monthly developer seats.

  • Input Token Cost: Meta charges $4.00 per million tokens for Muse Wonder, whereas OpenAI charges $5.00 per million tokens for GPT-6.1.
  • Prompt Cache Economics: Meta provides a $0.20 per million cached input rate, compared to $1.25 per million on OpenAI.
  • Output Token Parity: Both providers charge $20.00 per million output tokens on standard API endpoints.
  • Flagship Model Availability: Muse Wonder Full requires a $50.00 or $200.00 monthly Muse Code seat, whereas GPT-6.1 is directly callable through consumption billing.
  • Consumer Application Subscriptions: Meta Muse consumer plans run at $20.00 and $100.00 monthly, separate from developer-focused Muse Code subscriptions.

Active Memory, Focus, and Autonomous Tool Execution

Muse Wonder introduces explicit runtime architectures for cross-conversation memory and autonomous error recovery that alter how long-running agents function in production. Meta engineered two specific runtime mechanisms into the model family: Active Memory and Active Focus. Active Memory retains facts across distinct user interactions and retrieves operational constraints when a new task starts, eliminating the need for developers to maintain separate retrieval-augmented generation pipelines for user preferences.

Active Focus functions as an internal task manager that detects stalled operations, retries alternate tool pathways, and queries the user for clarification before executing irreversible actions. Meta designed this mechanism to support operations that run across several hours, such as auditing multi-gigabyte codebase repositories or cross-referencing insurance policy documentation against claims histories. On the SWE-Marathon benchmark, which tests uninterrupted multi-hour software engineering, this focus mechanism accounts for Meta's lead over GPT-6.1.

GPT-6.1 executes agentic workflows primarily through external tool-calling protocols, relying on the client application to manage orchestrations, retry logic, and memory vectorization. While OpenAI provides mature function-calling endpoints and low-latency computer-use interfaces, it relies more heavily on external orchestration engines such as LangGraph or custom state machines. Teams migrating existing pipelines can connect to Muse Wonder using the OpenAI-compatible Software Development Kit (SDK) syntax supported on the Meta Model API, simplifying side-by-side agent testing.


Enterprise Compliance, Data Privacy, and Security Posture

OpenAI maintains a more complete regulatory compliance framework for regulated industries than Meta's newly announced platform. Organizations subject to the Health Insurance Portability and Accountability Act (HIPAA), Service Organization Control 2 (SOC 2) Type II assessments, or strict data residency mandates frequently require executed Business Associate Agreements and independent audit attestations. OpenAI provides established enterprise agreements that guarantee customer data submitted via the API is never retained for model retraining.

Meta announced that Muse Wonder operates under its Superintelligence Scaling Framework, with safeguards designed to prevent the generation of Chemical, Biological, Radiological, and Nuclear (CBRN) hazards as well as offensive cyber operations. Meta stated that a comprehensive safety report will be released following launch. However, at the time of introduction, Meta has not published formal enterprise zero-data-retention agreements or healthcare BAA workflows for the Meta Model API.

For law firms, accounting practices, and financial service firms, this regulatory gap dictates architectural placement. While Muse Wonder demonstrates higher accuracy on legal reasoning benchmarks such as Harvey LAB-AA, regulated operators cannot process protected health information or confidential client records without an executed BAA or verified non-logging agreement. Teams subject to stringent regulatory audits often keep GPT-6.1 on production pipelines handling sensitive records while testing Muse Wonder on defensive cyber tasks, internal codebase refactoring, and synthetic evaluation workloads.


Implementation Tradeoffs for Regulated Business Systems

In client intake and document automation engagements across small and mid-sized businesses, workflow failure occurs more often from brittle system orchestration than from deficient model intelligence. When deploying agents that parse hundreds of pages of financial leases or legal filings, memory drift and context loss present continuous operational risks. Muse Wonder's 85.6% score on MemoryBench and its persistent context architecture mitigate manual re-prompting during lengthy reviews.

Deploying Muse Wonder Full introduces vendor lock-in risks because Meta restricts the model to proprietary Muse Code plans rather than offering headless API access. Organizations building automated backend microservices cannot programmatically spin up Muse Wonder Full worker instances on demand. Instead, backend infrastructure must rely on base Muse Wonder (muse-wonder-1.0) or route through OpenRouter integrations, while reserving Muse Wonder Full for developer workstations.

Organizations that prioritize deterministic data governance, predictable uptime service-level agreements, and standardized identity management find OpenAI's enterprise ecosystem more aligned with corporate IT standards. Conversely, businesses whose primary bottleneck is complex software maintenance or multi-file repository refactoring gain immediate efficiency improvements from Muse Wonder's superior long-horizon engineering scores.


The Verdict

Choose Muse Wonder if your organization requires autonomous agents that execute multi-step engineering tasks, maintain context across long sessions, or run iterative workflows over hours where Meta's $0.20 cached token pricing yields major cost savings. The platform excels at internal software refactoring, browser automation, and financial agent loops where direct headless consumption of muse-wonder-1.0 is sufficient.

This recommendation is not suitable for organizations handling protected health information, confidential litigation records, or workloads that mandate an executed Business Associate Agreement, SOC 2 Type II certification, or guaranteed zero data retention. Regulated entities should choose OpenAI's GPT-6.1, which provides mature compliance documentation and unconstrained API access across all model tiers.

Our verdict would flip if Meta releases enterprise Business Associate Agreements with verified zero-data-retention terms for the Meta Model API, or if OpenAI updates GPT-6.1 to match Muse Wonder Full's scores on multi-hour engineering benchmarks such as SWE-Marathon.

Sources & Disclaimer

Researched from primary vendor documentation and public regulator sources. Pricing and availability are accurate as of Oct 12, 2026 and can change — confirm current terms with each vendor before you buy.

Frequently Asked Questions

  • Muse Wonder focuses on autonomous, long-horizon agent execution with native cross-session memory and active task recovery, whereas GPT-6.1 serves as a general-purpose frontier reasoning model supported by mature enterprise compliance certifications. Muse Wonder Full leads on complex software engineering benchmarks like SWE-Marathon, while GPT-6.1 leads on healthcare evaluations and professional document synthesis.
  • No, Meta does not offer Muse Wonder Full through a direct pay-as-you-go API endpoint. It is available exclusively through Muse Code developer subscriptions on the Power Usage plan ($50.00 monthly) or Maximum Usage plan ($200.00 monthly). The base Muse Wonder model is accessible via the Meta Model API and OpenRouter.
  • Base Muse Wonder costs $4.00 per million input tokens, $0.20 per million cached input tokens, and $20.00 per million output tokens on the Meta Model API. GPT-6.1 costs $5.00 per million input tokens, $1.25 per million cached input tokens, and $20.00 per million output tokens on OpenAI. Workloads with heavy prompt caching achieve significantly lower input costs on Muse Wonder.
  • Yes, the Meta Model API provides compatibility with the OpenAI Software Development Kit (SDK). Developers can point existing OpenAI client libraries to Meta's endpoints by updating the base URL and API key, simplifying model evaluation and agent benchmarking.
  • Meta has not published a formal Business Associate Agreement (BAA) framework or enterprise HIPAA compliance documentation for the Meta Model API at launch. Healthcare organizations requiring HIPAA compliance should continue using GPT-6.1 through an enterprise OpenAI agreement with an executed BAA.
  • Active Memory is a built-in feature that carries relevant user context across conversations without requiring external database indexing. Active Focus is an autonomous execution loop that detects errors, tries alternative methods, and asks for clarification during multi-hour tasks such as codebase refactoring or claims auditing.

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