head-to-head

Thinking Machines: Inkling Small (batch) vs Claude Opus 5 (batch)

Side-by-side comparison of specs, pricing, benchmark scores, and task rankings. Updated 2026-09-04.

	Thinking Machines: Inkling Small (batch)	Claude Opus 5 (batch)
Vendor	thinkingmachines	anthropic
Quality Score	100	100
Benchmark Score	68.7	99.3
Input Price	$0.50/M	$2.50/M
Output Price	$1.20/M	$12.50/M
Context Window	524,288	1,000,000
Max Output	471,859	128,000
Tool Calling	✓	✓
Structured Output	-	✓
Reasoning Mode	✓	✓
Vision	✓	✓
Audio	✓	-
Benchmark Scores
ai_index	67.9	100.0
ai_index_agentic	52.6	97.6
ai_index_coding	87.4	100.0

Who wins by task?

Task	Thinking Machines: Inkling Small (batch)	Claude Opus 5 (batch)
SQL Generation	156	175
Code Review	155	171
Code Completion	133	119
Code Refactoring	154	167
Bug Fixing	170	187
Unit Test Generation	140	157
Code Documentation	141	142
Regex Writing	133	136
CI/CD Pipelines	135	147
Frontend Component Design	137	149
Data Analysis	156	177
CSV / Spreadsheet Cleanup	139	154
ETL Scripting	145	157
JSON Extraction	134	138
Bulk Data Labeling	130	123
OCR / Document Parsing	136	148
Table Extraction from PDFs	136	148
Long-Document Summarization	155	162
Short-Form Summarization	130	122
Blog Post Writing	136	142

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