Head-to-head · Updated Nov 3, 2026
Meta AI vs ChatGPT
The highest-scoring Meta AI and ChatGPT models, Muse Wonder Full and GPT-6 Astra, on independent tests for professional work, cost and speed.
Short answer
GPT-6 Astra leads on 10 of 12 quality scores, including the overall Intelligence Index.
- FinanceGPT-6 Astra57.4 vs 55.2
- Legal workGPT-6 Astra55.6 vs 50.7
- HealthcareGPT-6 Astra53.7 vs 51.9
- EngineeringGPT-6 Astra61.8 vs 54.9
- Strategy & operationsGPT-6 Astra58.0 vs 57.9
- Coding agentsGPT-6 Astra59.1% vs 57.1%
- Expert knowledgeGPT-6 Astra54.7% vs 53.6%
- Fewer made-up answersMuse Wonder Full17.6% vs 49.8%
Scores, cost and speed
| Measure | Muse Wonder Full (Max) | GPT-6 Astra (Max) |
|---|---|---|
| Overall | ||
| Intelligence IndexCombined score across nine evaluations | 49.7 | Leads: 56.9 |
| Professional work | ||
| Finance & accounting | 55.2 | Leads: 57.4 |
| Legal | 50.7 | Leads: 55.6 |
| Healthcare & medical | 51.9 | Leads: 53.7 |
| Engineering | 54.9 | Leads: 61.8 |
| Strategy & operations | 57.9 | Leads: 58.0 |
| Economics | 55.6 | Leads: 58.3 |
| Specific tests | ||
| Terminal-Bench 4.0Agentic coding tasks | 57.1% | Leads: 59.1% |
| FrontierCode 2.0Hard programming problems | 37.8% | Leads: 42.4% |
| Humanity’s Last ExamExpert-level questions | 53.6% | Leads: 54.7% |
| HealthBenchHealth conversations graded by physicians’ rubrics | — | 58.2% |
| GDPval-AAKnowledge-work deliverables, Elo | Leads: 1857 | 1584 |
| Hallucination rateAA-Omniscience; lower is better | Leads: 17.6% | 49.8% |
| Cost & speed | ||
| Input priceUS$ per 1M tokens | — | $10 |
| Output priceUS$ per 1M tokens | — | $50 |
| Cost to run the indexUS$, includes reasoning tokens | — | $5,661 |
| Output speedMedian tokens per second | — | 73 tok/s |
| Context windowTokens | 1M | 1M |
Scores, prices and speeds: Artificial Analysis, independently measured, checked Nov 3, 2026. Model names include the tested reasoning setting. Stubbi has not rerun these evaluations. Consumer apps such as ChatGPT, Claude and Gemini may use other models and add features like search and memory.
All measured Meta AI and ChatGPT models
| Model and setting | Released | Index | Price in / out |
|---|---|---|---|
| GPT-6 Astra (Max)OpenAI | Sep 2026 | 56.9 | $10 / $50 |
| GPT-6.1 Sol (Max)OpenAI | Sep 2026 | 54.5 | $2 / $10 |
| GPT-6.1 Terra (Max)OpenAI | Oct 2026 | 51.0 | $1 / $5 |
| Muse Wonder Full (Max)Meta | Oct 2026 | 49.7 | — |
| Muse Wonder (Max)Meta | Oct 2026 | 43.3 | $4 / $20 |
| GPT-6 Luna (Max)OpenAI | Sep 2026 | 27.8 | $0.10 / $0.50 |
| Muse Spark Open (Xhigh)Meta | Oct 2026 | 24.7 | $1.25 / $4.25 |
Test them on your own work
Public scores can’t show how each model handles your documents, clients or standards. Tell us the task, and we’ll consider a side-by-side comparison with the outputs you can judge.