head-to-head

OpenAI: GPT-5.6 Terra vs Anthropic Claude Haiku Latest

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

	OpenAI: GPT-5.6 Terra	Anthropic Claude Haiku Latest
Vendor	openai	~anthropic
Quality Score	100	100
Benchmark Score	93.0	-
Input Price	$2.50/M	$1.00/M
Output Price	$15.00/M	$5.00/M
Context Window	1,050,000	200,000
Max Output	128,000	64,000
Tool Calling	✓	✓
Structured Output	✓	✓
Reasoning Mode	✓	✓
Vision	✓	✓
Audio	-	-
Benchmark Scores
ai_index	90.7	-
ai_index_agentic	78.2	-
ai_index_coding	100.0	-

Who wins by task?

Task	OpenAI: GPT-5.6 Terra	Anthropic Claude Haiku Latest
SQL Generation	171	129
Code Review	168	124
Code Completion	118	114
Code Refactoring	165	124
Bug Fixing	181	128
Unit Test Generation	155	120
Code Documentation	141	122
Regex Writing	134	118
CI/CD Pipelines	145	116
Frontend Component Design	147	122
Data Analysis	171	124
CSV / Spreadsheet Cleanup	153	125
ETL Scripting	155	120
JSON Extraction	137	122
Bulk Data Labeling	122	120
OCR / Document Parsing	147	127
Table Extraction from PDFs	147	127
Long-Document Summarization	159	125
Short-Form Summarization	121	114
Blog Post Writing	139	117

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