picksbymodel Get API access →
head-to-head

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

Side-by-side comparison of specs, pricing, benchmark scores, and task rankings. Updated 2026-09-23.

OpenAI: GPT-5.6 Terra OpenAI: GPT-5.6 Sol Pro (batch)
Vendoropenaiopenai
Quality Score100100
Benchmark Score71.1-
Input Price$2.00/M$1.00/M
Output Price$12.00/M$5.00/M
Context Window1,050,0001,050,000
Max Output128,000128,000
Tool Calling✓✓
Structured Output✓✓
Reasoning Mode✓✓
Vision✓✓
Audio--
Benchmark Scores
ai_index69.4-

Who wins by task?

TaskOpenAI: GPT-5.6 TerraOpenAI: GPT-5.6 Sol Pro (batch)
SQL Generation 140 133
Code Review 145 132
Code Completion 118 118
Code Refactoring 147 136
Bug Fixing 149 136
Unit Test Generation 132 124
Code Documentation 135 130
Regex Writing 124 118
CI/CD Pipelines 128 120
Frontend Component Design 130 122
Data Analysis 134 124
CSV / Spreadsheet Cleanup 135 133
ETL Scripting 137 128
JSON Extraction 121 122
Bulk Data Labeling 117 120
OCR / Document Parsing 134 131
Table Extraction from PDFs 134 131
Long-Document Summarization 147 137
Short-Form Summarization 116 114
Blog Post Writing 128 121

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

Related comparisons

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

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.