head-to-head

Qwen: Qwen3.8 27B vs xAI: Grok Latest

Side-by-side comparison of specs, pricing, benchmark scores, and task rankings. Updated 2026-09-30.

Qwen: Qwen3.8 27B xAI: Grok Latest
Vendorqwen~x-ai
Quality Score100100
Benchmark Score55.65.8
Input Price$0.42/M$2.00/M
Output Price$3.00/M$6.00/M
Context Window1,000,000500,000
Max Output131,072450,000
Tool Calling✓✓
Structured Output✓✓
Reasoning Mode✓✓
Vision✓✓
Audio--
Benchmark Scores
ai_index55.611.4

The verdict

For a sample job of 1 million input tokens and 250,000 output tokens, Qwen3.8 27B costs $1.17 and Grok Latest costs $3.50, so Qwen3.8 27B is about 3.0 times cheaper for the same work.

Qwen3.8 27B reads up to 1,000,000 tokens at once, roughly 1,500 pages of text, against about 750 pages for Grok Latest.

Only Qwen3.8 27B offers video input.

On our blended benchmark score Qwen3.8 27B leads 55.6 to 5.8.

Across the 20 tasks where they differ, Qwen3.8 27B scores higher on 20 (SQL Generation, Code Review, Code Completion and others).

Qwen3.8 27B was released in August 2026 and Grok Latest in July 2026.

Pick Qwen3.8 27B if you need lower cost, long documents, video input, benchmark performance 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?

TaskQwen: Qwen3.8 27BxAI: Grok Latest
SQL Generation 140 134
Code Review 142 134
Code Completion 132 118
Code Refactoring 144 137
Bug Fixing 146 138
Unit Test Generation 130 125
Code Documentation 136 131
Regex Writing 124 119
CI/CD Pipelines 126 121
Frontend Component Design 128 123
Data Analysis 132 125
CSV / Spreadsheet Cleanup 135 133
ETL Scripting 135 129
JSON Extraction 131 122
Bulk Data Labeling 129 119
OCR / Document Parsing 133 131
Table Extraction from PDFs 133 131
Long-Document Summarization 146 139
Short-Form Summarization 126 115
Blog Post Writing 128 122

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

Related comparisons

Anthropic: Claude Opus 5.5 (batch) vs Qwen: Qwen3.8 27B Anthropic: Claude Opus 5 (batch) vs xAI: Grok Latest ByteDance Seed: Seed-2.0-Code vs xAI: Grok Latest ByteDance Seed: Seed 2.1 Turbo vs xAI: Grok Latest Cohere: Command A+ vs Qwen: Qwen3.8 27B DeepSeek: DeepSeek Flash Latest vs Qwen: Qwen3.8 27B DeepSeek: DeepSeek V4.1 Flash (batch) vs Qwen: Qwen3.8 27B DeepSeek: DeepSeek V4.1 Flash vs Qwen: Qwen3.8 27B

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.