head-to-head

ByteDance Seed: Seed 2.1 Turbo vs xAI: Grok Latest

Side-by-side comparison of specs, pricing, benchmark scores, and task rankings. Updated 2026-11-12.

ByteDance Seed: Seed 2.1 Turbo xAI: Grok Latest
Vendorbytedance-seed~x-ai
Quality Score100100
Input Price$0.50/M$2.00/M
Output Price$2.50/M$6.00/M
Context Window262,144500,000
Max Output235,929450,000
Tool Calling✓✓
Structured Output✓✓
Reasoning Mode✓✓
Vision✓✓
Audio--

The verdict

For a sample job of 1 million input tokens and 250,000 output tokens, Seed 2.1 Turbo costs $1.12 and Grok Latest costs $3.50, so Seed 2.1 Turbo is about 3.1 times cheaper for the same work.

Grok Latest reads up to 500,000 tokens at once, roughly 750 pages of text, against about 393 pages for Seed 2.1 Turbo.

Only Seed 2.1 Turbo offers video input.

Across the 18 tasks where they differ, Seed 2.1 Turbo scores higher on 5 (Code Completion, Regex Writing, JSON Extraction and others), Grok Latest on 13 (SQL Generation, Code Review, Code Refactoring and others).

Seed 2.1 Turbo was released in August 2026 and Grok Latest in July 2026.

Pick Seed 2.1 Turbo if you need lower cost or video input; pick Grok Latest if you need long documents or the stronger all-round task scores.

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?

TaskByteDance Seed: Seed 2.1 TurboxAI: Grok Latest
SQL Generation 130 133
Code Review 126 132
Code Completion 128 118
Code Refactoring 127 136
Bug Fixing 130 136
Unit Test Generation 121 124
Code Documentation 125 130
Regex Writing 119 118
CI/CD Pipelines 117 120
CSV / Spreadsheet Cleanup 128 133
ETL Scripting 122 128
JSON Extraction 131 122
Bulk Data Labeling 129 119
OCR / Document Parsing 128 131
Table Extraction from PDFs 128 131
Long-Document Summarization 129 137
Short-Form Summarization 123 114
Blog Post Writing 118 121

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

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