head-to-head

OpenAI: GPT-5.6 Terra Pro vs SpaceXAI: Grok Build 0.1

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

OpenAI: GPT-5.6 Terra Pro SpaceXAI: Grok Build 0.1
Vendoropenaix-ai
Quality Score100100
Input Price$2.00/M$1.00/M
Output Price$12.00/M$2.00/M
Context Window1,050,000256,000
Max Output128,000230,400
Tool Calling
Structured Output
Reasoning Mode
Vision
Audio--

Who wins by task?

TaskOpenAI: GPT-5.6 Terra ProSpaceXAI: Grok Build 0.1
SQL Generation 132 130
Code Review 132 126
Code Completion 117 116
Code Refactoring 136 127
Bug Fixing 136 130
Unit Test Generation 124 121
Code Documentation 129 125
Regex Writing 117 119
CI/CD Pipelines 120 117
CSV / Spreadsheet Cleanup 132 127
ETL Scripting 128 122
JSON Extraction 121 123
Bulk Data Labeling 117 121
OCR / Document Parsing 131 128
Table Extraction from PDFs 131 128
Long-Document Summarization 136 129
Short-Form Summarization 113 115
Blog Post Writing 120 118

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

Related comparisons

Anthropic: Claude Opus 5 (batch) vs OpenAI: GPT-5.6 Terra Pro Anthropic: Claude Sonnet 5 vs SpaceXAI: Grok Build 0.1 ByteDance Seed: Seed-2.0-Code vs OpenAI: GPT-5.6 Terra Pro ByteDance Seed: Seed-2.0-Code vs SpaceXAI: Grok Build 0.1 ByteDance Seed: Seed 2.1 Turbo vs OpenAI: GPT-5.6 Terra Pro ByteDance Seed: Seed 2.1 Turbo vs SpaceXAI: Grok Build 0.1 DeepSeek: DeepSeek V4.1 Flash vs OpenAI: GPT-5.6 Terra Pro DeepSeek: DeepSeek V4 Flash Vision Exp vs OpenAI: GPT-5.6 Terra Pro

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.