head-to-head

OpenAI: GPT-6.1 Terra (batch) vs OpenAI: GPT-6.1 Sol Pro (batch)

Side-by-side comparison of specs, pricing, benchmark scores, and task rankings. Updated 2026-11-02.

OpenAI: GPT-6.1 Terra (batch) OpenAI: GPT-6.1 Sol Pro (batch)
Vendoropenaiopenai
Quality Score100100
Input Price$0.50/M$1.00/M
Output Price$2.50/M$5.00/M
Context Window1,050,0001,050,000
Max Output128,000128,000
Tool Calling✓✓
Structured Output✓✓
Reasoning Mode✓✓
Vision✓✓
Audio--

The verdict

For a sample job of 1 million input tokens and 250,000 output tokens, GPT-6.1 Terra (batch) costs $1.12 and GPT-6.1 Sol Pro (batch) costs $2.25, so GPT-6.1 Terra (batch) is about 2.0 times cheaper for the same work.

Both read up to 1,050,000 tokens at once, roughly 1,575 pages of text.

Across the 10 tasks where they differ, GPT-6.1 Terra (batch) scores higher on 10 (SQL Generation, Code Completion, Code Documentation and others).

GPT-6.1 Terra (batch) was released in October 2026 and GPT-6.1 Sol Pro (batch) in September 2026.

Pick GPT-6.1 Terra (batch) if you need lower cost or the stronger all-round task scores.

Costs use current list prices per million tokens; page counts assume about 0.75 words per token and 500 words per page.

Who wins by task?

TaskOpenAI: GPT-6.1 Terra (batch)OpenAI: GPT-6.1 Sol Pro (batch)
SQL Generation 133 133
Code Completion 131 118
Code Documentation 131 130
Regex Writing 119 118
CSV / Spreadsheet Cleanup 133 133
JSON Extraction 131 122
Bulk Data Labeling 129 120
Long-Document Summarization 137 137
Short-Form Summarization 123 114
Blog Post Writing 121 121

Scores reflect capability match + benchmark data + pricing for each task. Methodology →

Related comparisons

Particle AI: Particle-1 vs OpenAI: GPT-6.1 Terra (batch) Particle AI: Particle-1 vs OpenAI: GPT-6.1 Sol Pro (batch) OpenAI: GPT-6.1 Terra Pro vs OpenAI: GPT-6.1 Terra (batch) OpenAI: GPT-6.1 Terra Pro vs OpenAI: GPT-6.1 Sol Pro (batch) OpenAI: GPT-6.1 Terra Pro (batch) vs OpenAI: GPT-6.1 Terra (batch) OpenAI: GPT-6.1 Terra Pro (batch) vs OpenAI: GPT-6.1 Sol Pro (batch) OpenAI: GPT-6.1 Terra vs OpenAI: GPT-6.1 Terra (batch) OpenAI: GPT-6.1 Terra vs OpenAI: GPT-6.1 Sol Pro (batch)

The Model Movers Report

One email every Friday, built from this site's own rankings: the current top five by benchmark score, every model released in the last seven days, and one note worked out from that week's numbers. You can unsubscribe from any issue with one click.