head-to-head

ByteDance Seed: Seed-2.0-Code vs SpaceXAI: Grok 4.6

Side-by-side comparison of specs, pricing, benchmark scores, and task rankings. Updated 2026-09-27.

ByteDance Seed: Seed-2.0-Code SpaceXAI: Grok 4.6
Vendorbytedance-seedx-ai
Quality Score100100
Benchmark Score-75.3
Input Price$0.50/M$2.00/M
Output Price$3.00/M$6.00/M
Context Window262,144500,000
Max Output131,072450,000
Tool Calling✓✓
Structured Output✓✓
Reasoning Mode✓✓
Vision✓✓
Audio--
Benchmark Scores
ai_index-73.1

The verdict

For a sample job of 1 million input tokens and 250,000 output tokens, Seed-2.0-Code costs $1.25 and Grok 4.6 costs $3.50, so Seed-2.0-Code is about 2.8 times cheaper for the same work.

Grok 4.6 reads up to 500,000 tokens at once, roughly 750 pages of text, against about 393 pages for Seed-2.0-Code.

Only Seed-2.0-Code offers video input.

Across the 20 tasks where they differ, Seed-2.0-Code scores higher on 4 (Code Completion, JSON Extraction, Bulk Data Labeling and others), Grok 4.6 on 16 (SQL Generation, Code Review, Code Refactoring and others).

Pick Seed-2.0-Code if you need lower cost or video input; pick Grok 4.6 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-2.0-CodeSpaceXAI: Grok 4.6
SQL Generation 130 142
Code Review 126 145
Code Completion 128 119
Code Refactoring 127 147
Bug Fixing 130 149
Unit Test Generation 121 132
Code Documentation 125 137
Regex Writing 119 125
CI/CD Pipelines 117 128
Frontend Component Design 122 130
Data Analysis 124 135
CSV / Spreadsheet Cleanup 128 136
ETL Scripting 122 138
JSON Extraction 131 122
Bulk Data Labeling 128 119
OCR / Document Parsing 128 134
Table Extraction from PDFs 128 134
Long-Document Summarization 129 148
Short-Form Summarization 123 118
Blog Post Writing 118 130

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

Related comparisons

ByteDance Seed: Seed-2.0-Code vs Anthropic: Claude Opus 4.8 (batch) ByteDance Seed: Seed-2.0-Code vs Anthropic: Claude Opus 5 (batch) ByteDance Seed: Seed-2.0-Code vs Anthropic: Claude Sonnet 5 ByteDance Seed: Seed-2.0-Code vs Anthropic: Claude Sonnet 5 (batch) ByteDance Seed: Seed-2.0-Code vs DeepSeek: DeepSeek V4 Flash Latest ByteDance Seed: Seed-2.0-Code vs Google: Gemini 3.5 Flash ByteDance Seed: Seed-2.0-Code vs Google: Gemini 3.5 Flash Lite ByteDance Seed: Seed-2.0-Code vs Google: Gemini 3.5 Flash Lite (batch)

The Model Movers Report

One email every Friday, built from this site's own rankings: the current top five by benchmark score, every model released in the last seven days, and one note worked out from that week's numbers. You can unsubscribe from any issue with one click.