GPT-6.1 Terra (Max) Scores 48 on Artificial Analysis

OpenAI's GPT-6.1 Terra (Max), released October 26, 2026, scored 48 on the Artificial Analysis Intelligence Index, well above the median of 28 for models in its price tier, according to Artificial Analysis. The reasoning model accepts text and image input, outputs text, carries a 1M-token context window, and is priced at $1.00 per 1M input tokens and $5.00 per 1M output tokens, versus medians of $2.00 and $10.00. Evaluating GPT-6.1 Terra (Max) on the index generated 130M tokens, above the 81M median, at an average cost of $0.40 per task.

GPT-6.1 Terra Max Intelligence, Performance & Price Analysis Model summary Speed GPT-6.1 Terra Max is amongst the leading models in intelligence and well priced when comparing to other models of similar price. The model supports text and image input, outputs text, and has a 1M tokens context window. GPT-6.1 Terra Max scores 48 on the Artificial Analysis Intelligence Index, placing it well above average among comparable models median: 28 . When evaluating the Intelligence Index, it generated 130M tokens, which is somewhat verbose in comparison to the median of 81M. Pricing for GPT-6.1 Terra Max is $1.00 per 1M input tokens competitively priced, median: $2.00 and $5.00 per 1M output tokens moderately priced, median: $10.00 . On average, it costs $0.40 per task to evaluate GPT-6.1 Terra Max on the Intelligence Index. | Reasoning | Yes This page shows the reasoning version of this model. A non-reasoning variant may also exist. | |---|---| | Input modality | Supports: text and image | | Output modality | Supports: text | | Context window | 1M ~1500 A4 pages of size 12 Arial font | Metrics are compared against models of the same class: - Non-reasoning models → compared only with other non-reasoning models - Reasoning models → compared across both reasoning and non-reasoning - Open weights models → compared only with other open weights models of the same size class: - Tiny: ≤4B parameters - Small: 4B–40B parameters - Medium: 40B–150B parameters - Large: 150B parameters - Proprietary models → compared across proprietary and open weights models of the same price range, using a blended 3:1 input/output price ratio: - <$0.15 per 1M tokens - $0.15–$1 per 1M tokens - $1 per 1M tokens Speed Intelligence Artificial Analysis Intelligence Index https://artificialanalysis.ai/evaluations/artificial-analysis-intelligence-index Artificial Analysis Intelligence Index by Open Weights / Proprietary Intelligence Index vs. Cost per Task Measures the performance of models on specific capabilities and industries Artificial Analysis Finance & Accounting Index https://artificialanalysis.ai/indexes/finance-and-accounting Evaluations Agentic knowledge work, Elo Knowledge 1 - hallucination rate Agentic SaaS workflows Agentic real-world work tasks, Elo Reasoning & knowledge Professional document reasoning, All-pass Agentic coding & terminal use Long context reasoning SciCode https://artificialanalysis.ai/evaluations/scicode Under review Coding Physics reasoning Agentic scientific research workflows in a terminal Agentic software engineering in open-source repositories Quantitative analysis on spreadsheets & documents Harvey LAB-AA v1.1 https://artificialanalysis.ai/evaluations/harvey-lab-aa Updated Legal agentic work, Hallucination-Gated All-Pass Rate Agentic business operations AA-3D https://artificialanalysis.ai/evaluations/aa-3d New Agentic interactive 3D experiences, Elo Product and brand videos designed in code, Elo Kubernetes incident root-cause analysis MLCR-AA https://artificialanalysis.ai/evaluations/mlcr-aa Updated Medical long context reasoning Visual reasoning Rich, varied, well-crafted language Well-structured, scannable, answer-first Truthful, acknowledges uncertainty, non-sycophantic Use of filler and generic language AA-Briefcase v1.1 AA-Briefcase Elo AA-Omniscience AA-Omniscience Index Intelligence Index Comparisons Intelligence Index vs. Cost per Task Token Use Output Tokens per Intelligence Index Task Cost Cost per Intelligence Index Task Cost to Run Artificial Analysis Intelligence Index Pricing: Cache Hit, Input, and Output Context Window Context Window Frequently Asked Questions Common questions about GPT-6.1 Terra Max GPT-6.1 Terra Max was released on October 26, 2026. GPT-6.1 Terra Max was created by OpenAI. GPT-6.1 Terra Max scores 48 on the Artificial Analysis Intelligence Index, placing it well above average among other models in a similar price tier median: 28 . GPT-6.1 Terra Max costs $1.00 per 1M input tokens very competitive, median: $2.00 and $5.00 per 1M output tokens better than average, median: $10.00 , based on OpenAI's API. GPT-6.1 Terra Max costs $1.00 per 1M input tokens and $5.00 per 1M output tokens based on OpenAI's API . For a blended rate 7:2:1 cache hit/input/output ratio , this is $0.73 per 1M tokens. Pricing may vary by provider. Compare provider pricing https://artificialanalysis.ai/models/gpt-6-1-terra/providers When evaluated on the Intelligence Index, GPT-6.1 Terra Max generated 130M output tokens, which is somewhat higher than average compared to other models in a similar price tier median: 81M . Yes, GPT-6.1 Terra Max is a reasoning model. It uses extended thinking or chain-of-thought reasoning to work through complex problems before providing an answer. GPT-6.1 Terra Max supports text and image input. GPT-6.1 Terra Max supports text output. Yes, GPT-6.1 Terra Max supports image input and can analyze, describe, and answer questions about images. Yes, GPT-6.1 Terra Max is multimodal. It can process text and image input and generate text output. GPT-6.1 Terra Max has a context window of 1.0M tokens. This determines how much text and conversation history the model can process in a single request. No, GPT-6.1 Terra Max is proprietary. The model weights are not publicly available. GPT-6.1 Terra Max is a proprietary model and OpenAI has not disclosed the model size or parameter count. GPT-6.1 Terra Max achieves a score of 48 on the Artificial Analysis Intelligence Index. This composite benchmark evaluates models across reasoning, knowledge, mathematics, and coding. Yes, GPT-6.1 Terra Max is available via API through 1 provider. Compare API providers https://artificialanalysis.ai/models/gpt-6-1-terra/providers GPT-6.1 Terra Max is available through 1 API provider. Compare providers https://artificialanalysis.ai/models/gpt-6-1-terra/providers