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Comparison of GPT-5.5, Tripo3D Segment, OpenAI: GPT-6 Luna
3 modelsOpenAIGPT-5.5Remove ×tripo3dTripo3D SegmentRemove ×openaiOpenAI: GPT-6 LunaRemove ×
What’s differentReasoningAutomatically splits a 3D model into semantic parts for editing, texturing, and rigging.Can turn reasoning off for high-volume requests; Chat Completions tool calls require reasoning_effort=none.
DateOct 16, 2026DiscoveredAug 6, 2026ListedSep 22, 2026Released
Listed rateSee provider quotesSee provider quotes$0.05 in / $0.25 out/ 1M tokensOpenAI · via OpenRouter · all routes ↗openai/flex · tier=flex · prompt ≤ 272000 tokens
Provider endpoints0 endpoints →0 endpoints →9 endpoints →
AA Intelligence ↗4.3.2Not reportedNot reported38.12 ↗Effort: max · MaxIndependent result
AA-Briefcase ↗1.1Not reportedNot reported1,334.83 ↗Effort: max · MaxIndependent result
GDPval-AA ↗2.1Not reportedNot reported1,431.86 ↗Effort: max · MaxIndependent result
AutomationBench-AA ↗AA Index 4.3.2 collectionNot reportedNot reported53.17% ↗Effort: max · MaxIndependent result
Terminal-Bench 4.0 · AA ↗Not reportedNot reported12.63% ↗Effort: max · MaxHarness unreportedIndependent result
SciCode ↗AA Index 4.3.2 collectionNot reportedNot reported54.63% ↗AA · Under reviewEffort: max · MaxIndependent result
Humanity’s Last Exam ↗AA Index 4.3.2 collectionNot reportedNot reported38.51% ↗Effort: max · MaxIndependent result
GDP.pdf ↗AA Index 4.3.2 collectionNot reportedNot reported22.8% ↗Effort: max · MaxIndependent result
CritPt ↗AA Index 4.3.2 collectionNot reportedNot reported19.43% ↗AA · Under reviewEffort: max · MaxIndependent result
AA-Omniscience ↗AA Index 4.3.2 collectionNot reportedNot reported0.65 ↗Effort: max · MaxIndependent result
AA-LCR ↗1.1Not reportedNot reported83.33% ↗Effort: max · MaxIndependent result
LiveBench ↗2.0 · 2026-10-14 (dataset 2026-09-02)68.7% ↗Effort: xhigh · single run · equal mean of 7 suitesIndependent resultNot reported69.4% ↗Effort: max · single run · equal mean of 7 suitesIndependent result
LiveBench Design ↗2.0 · 2026-10-14 (dataset 2026-09-02)70.3% ↗Effort: xhigh · single runIndependent resultNot reported82.5% ↗Effort: max · single runIndependent result
LiveBench Research ↗2.0 · 2026-10-14 (dataset 2026-09-02)61.6% ↗Effort: xhigh · single runIndependent resultNot reported43.5% ↗Effort: max · single runIndependent result
LiveBench Browser Use ↗2.0 · 2026-10-14 (dataset 2026-09-02)48% ↗Effort: xhigh · single runIndependent resultNot reported72% ↗Effort: max · single runIndependent result
LiveBench Coding ↗2.0 · 2026-10-14 (dataset 2026-09-02)85.1% ↗Effort: xhigh · single runIndependent resultNot reported84.5% ↗Effort: max · single runIndependent result
LiveBench Agentic ↗2.0 · 2026-10-14 (dataset 2026-09-02)44.6% ↗Effort: xhigh · single runIndependent resultNot reported48.1% ↗Effort: max · single runIndependent result
LiveBench Data Analysis ↗2.0 · 2026-10-14 (dataset 2026-09-02)81.6% ↗Effort: xhigh · single runIndependent resultNot reported73.4% ↗Effort: max · single runIndependent result
LiveBench Reasoning ↗2.0 · 2026-10-14 (dataset 2026-09-02)89.7% ↗Effort: xhigh · single runIndependent resultNot reported81.8% ↗Effort: max · single runIndependent result
Context window——1.1M
Max output——128K
Parameters———
Tool callingNot reportedNot reportedSupported
Structured outputNot reportedNot reportedSupported
Image inputNot reportedNot reportedSupported
ReasoningSupportedNot reportedSupported
Prompt cachingNot reportedNot reportedSupported

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