head-to-head

OpenAI: GPT-5.6 Terra vs OpenAI: GPT-5.6 Terra (batch)

Side-by-side comparison of specs, pricing, benchmark scores, and task rankings. Updated 2026-11-07.

OpenAI: GPT-5.6 Terra OpenAI: GPT-5.6 Terra (batch)
Vendoropenaiopenai
Quality Score100100
Benchmark Score93.093.0
Input Price$2.00/M$1.00/M
Output Price$12.00/M$6.00/M
Context Window1,050,0001,050,000
Max Output128,000128,000
Tool Calling✓✓
Structured Output✓✓
Reasoning Mode✓✓
Vision✓✓
Audio--
Benchmark Scores
ai_index90.790.7
ai_index_agentic78.278.2
ai_index_coding100.0100.0

The verdict

For a sample job of 1 million input tokens and 250,000 output tokens, GPT-5.6 Terra (batch) costs $2.50 and GPT-5.6 Terra costs $5.00, so GPT-5.6 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-5.6 Terra (batch) on 10 (SQL Generation, Code Completion, Code Documentation and others).

Pick GPT-5.6 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-5.6 TerraOpenAI: GPT-5.6 Terra (batch)
SQL Generation 171 172
Code Completion 119 120
Code Documentation 141 143
Regex Writing 135 136
CSV / Spreadsheet Cleanup 153 154
JSON Extraction 138 139
Bulk Data Labeling 123 125
Long-Document Summarization 159 160
Short-Form Summarization 122 123
Blog Post Writing 140 140

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

Related comparisons

Anthropic: Claude Opus 5 (batch) vs OpenAI: GPT-5.6 Terra Anthropic: Claude Opus 5 (batch) vs OpenAI: GPT-5.6 Terra (batch) ByteDance Seed: Seed-2.0-Code vs OpenAI: GPT-5.6 Terra ByteDance Seed: Seed-2.0-Code vs OpenAI: GPT-5.6 Terra (batch) ByteDance Seed: Seed 2.1 Turbo vs OpenAI: GPT-5.6 Terra ByteDance Seed: Seed 2.1 Turbo vs OpenAI: GPT-5.6 Terra (batch) DeepSeek: DeepSeek V4 Flash Vision Exp vs OpenAI: GPT-5.6 Terra DeepSeek: DeepSeek V4 Flash Vision Exp vs OpenAI: GPT-5.6 Terra (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.