GPT-6.1 Terra vs GPT-6.1 Sol
How does GPT-6.1 Terra (OpenAI) compare against GPT-6.1 Sol (OpenAI)? Side-by-side scores, capability ratings and pricing, plus a clear verdict.
🏆 Quick verdict
GPT-6.1 Sol comes out ahead with an AIVerso score of 97 vs 96 and an aggregate capability rating of 644 vs 632 across 7 categories. GPT-6.1 Terra still leads on Agent Capability. GPT-6.1 Terra wins on price — lower API price ($1/$5 per 1M tokens vs $2/$10 per 1M tokens).
GPT-6.1 Terra
by OpenAI
Score: 96/100
Price$1/$5 per 1M tokens
Pricing detailsAPI $1/$5 per 1M (higher above 272K tokens) · ChatGPT Plus $20/mo · also in ChatGPT Pro, Enterprise & Edu
Context window1.05M
Free tierNo
API accessYes
Open sourceNo
BenchmarksAA Intelligence Index v5: 51
Headline factsOpenAI’s fast computer-use model (Oct 26) · AA Intelligence Index 51 · Terminal-Bench 4.0 50.3% (OpenAI) · 3× faster than GPT-6.1 Sol · $1/$5 per 1M · 1.05M context
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Full GPT-6.1 Terra profile → Overall winner
GPT-6.1 Sol
by OpenAI
Score: 97/100
Price$2/$10 per 1M tokens
Context window1.05M
Free tierNo
API accessYes
Open sourceNo
BenchmarksAA Intelligence Index v5: 55
Headline factsNearly matches GPT-6 Astra on coding & computer use (OpenAI) at a fifth of the task cost · AA Intelligence Index 55 · $2/$10 per 1M · 1.05M context
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Full GPT-6.1 Sol profile →📊 Capability ratings
AIVerso capability ratings (0–100) per category — an editorial summary informed by public benchmark results. Higher is better.
Category
GPT-6.1 Terra
GPT-6.1 Sol
Math & Logice.g. AIME, MATH-500
90
93
Programminge.g. SWE-bench, LiveCodeBench
89
92
Reasoninge.g. GPQA, ARC
90
92
Knowledgee.g. MMLU-Pro
88
90
Long Contexte.g. MRCR, needle tests
92
94
Instruction Followinge.g. IFEval
91
92
Agent Capabilitye.g. Terminal-Bench, tool use
92
91
Why GPT-6.1 Terra
Lower API price ($1/$5 per 1M tokens vs $2/$10 per 1M tokens)
Leads on Agent Capability (92 vs 91)
OpenAI’s fast computer-use model (Oct 26)
AA Intelligence Index 51
Why GPT-6.1 Sol
Higher overall score (97 vs 96)
Leads on Math & Logic (93 vs 90)
Leads on Programming (92 vs 89)
Leads on Reasoning (92 vs 90)
Leads on Knowledge (90 vs 88)
Leads on Long Context (94 vs 92)
Leads on Instruction Following (92 vs 91)
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❓ Frequently Asked Questions
Which is better: GPT-6.1 Terra or GPT-6.1 Sol?
GPT-6.1 Sol has the higher AIVerso score (97 vs 96). The better choice still depends on your use case — GPT-6.1 Terra leads on Agent Capability.
How much does GPT-6.1 Terra cost compared to GPT-6.1 Sol?
GPT-6.1 Terra: $1/$5 per 1M tokens (API $1/$5 per 1M (higher above 272K tokens) · ChatGPT Plus $20/mo · also in ChatGPT Pro, Enterprise & Edu). GPT-6.1 Sol: $2/$10 per 1M tokens. Neither has a free tier.
What context window does each support?
GPT-6.1 Terra: 1.05M tokens. GPT-6.1 Sol: 1.05M tokens. The context window determines how much text, code or chat history a model can process at once.
Are GPT-6.1 Terra and GPT-6.1 Sol open source?
GPT-6.1 Terra is a closed, proprietary model. GPT-6.1 Sol is a closed, proprietary model.
How we compare: Scores and capability ratings are based on public benchmarks and provider documentation — not on commission rates. Last updated: November 11, 2026.