BenchLeader

GPT-6.1 Terra vs Muse Wonder Full

Full profiles: GPT-6.1 Terra (OpenAI) and Muse Wonder Full (Meta): every benchmark, price and rank.

Updated · Data from 5 sources

As of 27 Oct 2026, GPT-6.1 Terra (max) and Muse Wonder Full (max) are neck and neck on quality (65.9 vs 70.3, inside the ±11.1 margin of error) and close on price, so pick on the category that matters to you. Pick GPT-6.1 Terra for knowledge (75 vs 71); pick Muse Wonder Full for reasoning (94 vs 86).

Which to pick for…

The pick's numbers come first. Category scores on the BenchLeader scale (50 is the average model, 15 points one standard deviation). High confidence means a lead of half a standard deviation or more; under one point is called either.

Use casePickWhyConfidence
ReasoningMuse Wonder Full94 vs 86 category score; CritPt 32.9% vs 28.0%High
KnowledgeGPT-6.1 Terra75 vs 71 category score; AA-Omniscience 29.8 vs 30.1Medium
Long documentsEither66 vs 67 category score; AA-LCR 82.7% vs 83.7%Either
High volume on a budgetNeither flagshipA smaller model is usually the better fit: Cheapest good LLMs, Fastest LLMs–

Key differences

  • GPT-6.1 Terra (max) and Muse Wonder Full (max) are neck and neck on quality (65.9 vs 70.3, within the ±11.1 margin).
  • GPT-6.1 Terra (max) is stronger in knowledge, multimodal.
  • Muse Wonder Full (max) is stronger in composite, long context, reasoning, coding.

At a glance

SpecGPT-6.1 TerraMuse Wonder Full
DeveloperOpenAIMeta
Released26 Oct 202612 Oct 2026
Context window (tokens)1,050,0001,000,000
Compared atGPT-6.1 Terra (max)Muse Wonder Full (max)
Open weightsNoNo
Price in / out / cached input per 1M$1.00 / $5.00 / $0.050–

Category by category

Category scores on the BenchLeader scale: 50 is the average evaluated model, 15 points is one standard deviation. A gap under one point is called level.

CategoryGPT-6.1 Terra (max)Muse Wonder Full (max)Leader
Reasoning86.294.1Muse Wonder Full
Coding–72.0not comparable
Knowledge74.571.1GPT-6.1 Terra
Multimodal67.5–not comparable
Long context66.366.8level
Composite82.891.3Muse Wonder Full

Where sources disagree

Across the 13 benchmarks both have, GPT-6.1 Terra leads 2, Muse Wonder Full leads 11. Every overall index that rates both puts Muse Wonder Full ahead.

Overall indexGPT-6.1 Terra (max)Muse Wonder Full (max)Leader
BenchLeader Index65.970.3neck and neck
AA Intelligence Index v4.3.248.155.8Muse Wonder Full

Each publisher runs its own tasks, harnesses and effort settings, so their overall verdicts can differ; BenchLeader reconciles them on one scale. † measured at another effort setting of the same model (the publisher did not test the one compared here).

Price, speed and latency

List prices blended at three input tokens per output token. Per-task prices use the token counts on the methodology page; suite cost is what Artificial Analysis paid to run its whole Intelligence Index.

MeasureGPT-6.1 Terra (max)Muse Wonder Full (max)
Blended price per 1M tokens$2.00–
Input / output per 1M$1.00 / $5.00– / –
Cached input per 1M$0.050–
Price per task: chat reply$0.0019–
Price per task: summarize a 30-page report$0.015–
Price per task: code edit$0.013–
Price per task: agentic coding session$0.080–
Price per task: structured extraction$0.0030–
Cost to run a full benchmark suite$0.403–
Output speed91 tok/s–
Time to first answer131.8 s–
Time to a complete answer137.3 s–

Each model is compared at its best-ranked reasoning-effort setting. GPT-6.1 Terra (max) scores 65.9 and takes 132 s to its first answer token; GPT-6.1 Terra (xhigh) scores 65.0 in 18 s, GPT-6.1 Terra (high) scores 64.7 in 7 s. Muse Wonder Full (max) scores 70.3. Higher effort means more thinking before the answer: better scores, longer waits and more tokens billed. How reasoning effort changes scores and cost.

Every benchmark

58 benchmarks, grouped by category; each name links to the board and its leaders. † measured at another effort setting of the same model, shown for reference and not counted as a win.

MetricPublisherGPT-6.1 Terra (max)Muse Wonder Full (max)
BenchLeader IndexBenchLeader65.970.3
Composite scoreBenchLeader82.891.3
Knowledge scoreBenchLeader74.571.1
Long context scoreBenchLeader66.366.8
Multimodal scoreBenchLeader67.5–
Reasoning scoreBenchLeader86.294.1
Coding scoreBenchLeader–72.0
Blended price $/MBenchLeader$2.00–
Output speedBenchLeader91 tok/s–
Time to first answerBenchLeader131.8 s–
Context windowBenchLeader1,050,000 tokens1,000,000 tokens
Reasoning
LiveBench 2.0 ReasoningLiveBench88.7%†–
Humanity's Last Exam (AA)Artificial Analysis46.3%53.6%
CritPtArtificial Analysis28.0%32.9%
MysteryMechanismVals AI–35.1%
Coding
Arena WebDevArena (LMArena)–1726
LiveBench 2.0 CodingLiveBench90.8%†–
SciCode (AA)Artificial Analysis55.1%62.6%
IOIVals AI–79.8%
Code MigrationVals AI–61.0%
Code Migration v1.1Vals AI–62.8%
ProgramBenchVals AI–0.5%
SWE-bench MultimodalVals AI–47.3%
Vibe Code Bench 1-100Vals AI–34.0%
Vibe Code Bench v1.1Vals AI–86.0%
Terminal-Bench 4.0 (AA)Artificial Analysis55.6%57.1%
FrontierCode 1.1 (AA)Artificial Analysis36.0%44.9%
Agents & tools
LiveBench Long AgenticLiveBench48.6%†–
LiveBench BrowserLiveBench93.1%†–
GDPval-AA v2.1Artificial Analysis–67.8%
CyberBenchVals AI–73.6%
Finance Agent v2Vals AI–59.1%
Finance Agent v2.1Vals AI–67.6%
Harvey's Legal Agent Benchmark v1.1Vals AI–23.3%
Harvey's Legal Agent Benchmark v1Vals AI–21.7%
Legal Research BenchVals AI–53.4%
Show all 58 benchmarks
MetricPublisherGPT-6.1 Terra (max)Muse Wonder Full (max)
Agents & tools
Robo-benchVals AI–10.4%
SREBenchVals AI–11.8%
Tax Agent BenchVals AI–43.0%
Terminal-Bench 4.0 (Vals)Vals AI–58.1%
Terminal-Bench ScienceVals AI–37.1%
AutomationBenchArtificial Analysis60.2%71.3%
GDP.pdf (AA)Artificial Analysis28.6%32.6%
Harvey LAB-AA v1.1Harvey–13.1%
AA-Briefcase v1.1Artificial Analysis14021729
Terminal-Bench-Science 0.1 (AA)Artificial Analysis57.6%37.1%
Knowledge
LiveBench 2.0 Data AnalysisLiveBench82.3%†–
LiveBench ResearchLiveBench73.9%†–
AA-OmniscienceArtificial Analysis29.830.1
LegalBenchVals AI–87.4%
BioMysteryBenchVals AI–73.3%
Excel Modeling BenchmarkVals AI–71.9%
Excel Modeling Benchmark v1.1Vals AI–75.0%
MedCodeVals AI–49.9%
MedScribeVals AI–89.3%
Public Benefits Bench v1.1Vals AI–73.8%
AA-Omniscience: accuracyArtificial Analysis49.1%43.2%
AA-Omniscience: non-hallucinationArtificial Analysis62.0%77.0%
Multimodal
LiveBench DesignLiveBench82.3%†–
MMMU-ProArtificial Analysis84.7%–
Long context
AA-LCRArtificial Analysis82.7%83.7%
Composite
LiveBench 2.0LiveBench77.2%†–
AA Intelligence Index v4.3.2Artificial Analysis48.155.8
Vals IndexVals AI–66.8
Vals Finance IndexVals AI–64.5%
Vals RSI IndexVals AI–24.4%
Vals Science IndexVals AI–48.5%
Vals Router IndexVals AI–66.8%†
Safety & honesty
FORTRESSScale AI SEAL18.2%†–

Data as of 2026-10-27. Best configuration of each model; every score links to its source on the model pages.

What changed

  • Muse Wonder Full (max): 1 new result (Terminal-Bench-Science 0.1 (AA)).
  • Muse Wonder Full (max): 9 new results (Code Migration v1.1, Excel Modeling Benchmark v1.1, Finance Agent v2.1…).
  • Muse Wonder Full (max): 1 new result (FrontierCode 1.1 (AA)).
  • Muse Wonder Full (max): BenchLeader Index 68.6 → 70.7.
  • Muse Wonder Full (max): 1 new result (Arena WebDev); 2 score revisions.
  • Muse Wonder Full (max): 21 new results (IOI, LegalBench, Vals Index…).
  • Muse Wonder Full (max): 1 new result (Harvey LAB-AA v1.1).
  • Muse Wonder Full (max): first results.

Rankings: Best LLM overall · Best LLM for coding · Best LLM for agents · Best cheap LLMs

GPT-6.1 Terra vs Muse Wonder Full: questions

Is GPT-6.1 Terra better than Muse Wonder Full?
GPT-6.1 Terra (max) and Muse Wonder Full (max) are neck and neck on quality (65.9 vs 70.3, within the ±11.1 margin). The BenchLeader Index combines every independent quality benchmark; the two are within the margin of error as of 2026-10-27, so check the category scores for your use.
Which is better for long documents?
They are level on long-context benchmarks (66 vs 67). Both take about 1.1M tokens: GPT-6.1 Terra 1,050,000, Muse Wonder Full 1,000,000.
Do independent benchmarks agree on GPT-6.1 Terra vs Muse Wonder Full?
Across the 13 benchmarks both have, GPT-6.1 Terra leads 2, Muse Wonder Full leads 11. Every overall index that rates both puts Muse Wonder Full ahead.
When was GPT-6.1 Terra released?
GPT-6.1 Terra was released on 26 Oct 2026.