head-to-head

OpenAI: GPT Terra Latest vs Thinking Machines: Inkling

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

OpenAI: GPT Terra Latest Thinking Machines: Inkling
Vendor~openaithinkingmachines
Quality Score100100
Input Price$1.00/M$1.00/M
Output Price$5.00/M$4.05/M
Context Window1,050,000524,288
Max Output128,000471,859
Tool Calling✓✓
Structured Output✓-
Reasoning Mode✓✓
Vision✓✓
Audio-✓

The verdict

For a sample job of 1 million input tokens and 250,000 output tokens, Inkling costs $2.01 and GPT Terra Latest costs $2.25, so Inkling is slightly cheaper for the same work.

GPT Terra Latest reads up to 1,050,000 tokens at once, roughly 1,575 pages of text, against about 786 pages for Inkling.

Only GPT Terra Latest offers structured output; only Inkling offers audio input.

Across the 19 tasks where they differ, GPT Terra Latest scores higher on 13 (SQL Generation, Code Review, Code Refactoring and others), Inkling on 6 (Code Completion, Code Documentation, Regex Writing and others).

GPT Terra Latest was released in September 2026 and Inkling in July 2026.

Pick GPT Terra Latest if you need long documents, structured output or the stronger all-round task scores; pick Inkling if you need lower cost or audio input.

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 Terra LatestThinking Machines: Inkling
SQL Generation 133 125
Code Review 132 128
Code Completion 118 119
Code Refactoring 136 132
Unit Test Generation 124 116
Code Documentation 130 131
Regex Writing 118 119
CI/CD Pipelines 120 116
Frontend Component Design 122 118
Data Analysis 124 120
CSV / Spreadsheet Cleanup 133 121
ETL Scripting 128 124
JSON Extraction 122 111
Bulk Data Labeling 120 116
OCR / Document Parsing 131 123
Table Extraction from PDFs 131 123
Long-Document Summarization 137 137
Short-Form Summarization 114 115
Blog Post Writing 121 121

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

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