GPT-6.1 Terra vs o1-preview
GPT-6.1 Terra leads the LLM Stats Score 47.5 to 16.0. GPT-6.1 Terra is 13.1x cheaper per token.
OpenAI · OpenAI · Updated for 2026
Which is better?
GPT-6.1 Terra leads the overall LLM Stats Score 47.5 to 16.0, ranking #36 overall.
On price, GPT-6.1 Terra is roughly 13.1x cheaper per token on a blended 3:1 input/output basis, which adds up quickly at production volume.
GPT-6.1 Terra also accepts a larger context window (1,050,000 input tokens), making it the stronger choice for long documents and large codebases.
Based on current LLM Stats indexes, shared benchmarks, pricing, and model metadata for 2026.
Choose GPT-6.1 Terra
- overall performance matters — it scores 47.5 and ranks #36 on LLM Stats
- your work emphasizes reasoning and coding — it leads those capability indexes
- cost matters — it's about 13.1x cheaper per token
- you process long inputs — it offers a 1,050,000 token context window
- you want the most recent training data — it shipped Oct 2026
Choose o1-preview
- you want predictable pricing at $15.00/M input and $60.00/M output
At a glance
The differences that matter most.
Individual benchmarks
8 reported for GPT-6.1 Terra · 8 for o1-preview
GPT-6.1 Terra and o1-previewdon't have any common benchmark datasets to compare. They may have been evaluated on different testing suites.
Human preference
Blind head-to-head votes and playground preference scores
Pricing Analysis
Price comparison per million tokens
For input processing, GPT-6.1 Terra ($1.00/1M tokens) is 15.0x cheaper than o1-preview ($15.00/1M tokens).
For output processing, GPT-6.1 Terra ($5.00/1M tokens) is 12.0x cheaper than o1-preview ($60.00/1M tokens).
In conclusion, o1-preview is more expensive than GPT-6.1 Terra.*
* Using a 3:1 ratio of input to output tokens
Context Window
Maximum input and output token capacity
GPT-6.1 Terra accepts 1,050,000 input tokens compared to o1-preview's 128,000 tokens. GPT-6.1 Terra can generate longer responses up to 128,000 tokens, while o1-preview is limited to 32,768 tokens.
Input capabilities
Documented input modalities across available providers
GPT-6.1 Terra supports multimodal inputs, whereas o1-preview does not.
GPT-6.1 Terra can handle both text and other forms of data like images, making it suitable for multimodal applications.
GPT-6.1 Terra
o1-preview
License
Usage and distribution terms
Both models are licensed under proprietary licenses.
Both models have usage restrictions defined by their respective organizations.
Proprietary
Closed source
Proprietary
Closed source
Release Timeline
When each model was launched
GPT-6.1 Terra was released on 2026-10-26, while o1-preview was released on 2024-09-12.
GPT-6.1 Terra is 26 months newer than o1-preview.
Oct 26, 2026
3 days ago
2.1yr newerSep 12, 2024
2.1 years ago
Knowledge Cutoff
When training data ends
GPT-6.1 Terra has a documented knowledge cutoff of 2026-06-01, while o1-preview's cutoff date is not specified.
We can confirm GPT-6.1 Terra's training data extends to 2026-06-01, but cannot make a direct comparison without o1-preview's cutoff date.
Jun 2026
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Provider Availability
GPT-6.1 Terra is available from OpenAI. o1-preview is available from OpenAI, Azure.
GPT-6.1 Terra
o1-preview
Outputs Comparison
Judge for yourself.
Run your own prompts against GPT-6.1 Terra and o1-preview side-by-side, then vote on the output you prefer.
FAQ
Common questions about GPT-6.1 Terra vs o1-preview.