OpenAI: GPT Terra Latest vs Sakana: Sakana Namazu
Side-by-side comparison of specs, pricing, benchmark scores, and task rankings. Updated 2026-11-07.
| OpenAI: GPT Terra Latest | Sakana: Sakana Namazu | |
|---|---|---|
| Vendor | ~openai | sakana |
| Quality Score | 100 | 100 |
| Input Price | $1.00/M | $0.95/M |
| Output Price | $5.00/M | $4.00/M |
| Context Window | 1,050,000 | 262,144 |
| Max Output | 128,000 | 65,536 |
| Tool Calling | ✓ | ✓ |
| Structured Output | ✓ | ✓ |
| Reasoning Mode | ✓ | ✓ |
| Vision | ✓ | ✓ |
| Audio | - | - |
The verdict
For a sample job of 1 million input tokens and 250,000 output tokens, Sakana Namazu costs $1.95 and GPT Terra Latest costs $2.25, so Sakana Namazu 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 393 pages for Sakana Namazu.
Across the 18 tasks where they differ, GPT Terra Latest scores higher on 13 (SQL Generation, Code Review, Code Refactoring and others), Sakana Namazu on 5 (Code Completion, Regex Writing, JSON Extraction and others).
GPT Terra Latest was released in September 2026 and Sakana Namazu in August 2026.
Pick GPT Terra Latest if you need long documents or the stronger all-round task scores; pick Sakana Namazu if you need lower cost.
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?
| Task | OpenAI: GPT Terra Latest | Sakana: Sakana Namazu |
|---|---|---|
| SQL Generation | 133 | 130 |
| Code Review | 132 | 126 |
| Code Completion | 118 | 128 |
| Code Refactoring | 136 | 127 |
| Bug Fixing | 136 | 130 |
| Unit Test Generation | 124 | 121 |
| Code Documentation | 130 | 125 |
| Regex Writing | 118 | 119 |
| CI/CD Pipelines | 120 | 117 |
| CSV / Spreadsheet Cleanup | 133 | 128 |
| ETL Scripting | 128 | 122 |
| JSON Extraction | 122 | 131 |
| Bulk Data Labeling | 120 | 128 |
| OCR / Document Parsing | 131 | 128 |
| Table Extraction from PDFs | 131 | 128 |
| Long-Document Summarization | 137 | 129 |
| Short-Form Summarization | 114 | 123 |
| Blog Post Writing | 121 | 118 |
Scores reflect capability match + benchmark data + pricing for each task. Methodology →