head-to-head

Meta: Muse Ember vs Tencent: Hy4

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

Meta: Muse Ember Tencent: Hy4
Vendormetatencent
Quality Score100100
Benchmark Score56.7-
Input Price$0.10/M$0.42/M
Output Price$0.50/M$1.25/M
Context Window1,048,5761,048,576
Max Output943,71865,536
Tool Calling✓✓
Structured Output✓✓
Reasoning Mode✓✓
Vision✓✓
Audio✓-
Benchmark Scores
ai_index59.4-

The verdict

For a sample job of 1 million input tokens and 250,000 output tokens, Muse Ember costs $0.23 and Hy4 costs $0.73, so Muse Ember is about 3.2 times cheaper for the same work.

Both read up to 1,048,576 tokens at once, roughly 1,573 pages of text.

Only Muse Ember offers audio input and video input.

Across the 20 tasks where they differ, Muse Ember scores higher on 20 (SQL Generation, Code Review, Code Completion and others).

Pick Muse Ember if you need lower cost, audio input, video input 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?

TaskMeta: Muse EmberTencent: Hy4
SQL Generation 141 133
Code Review 143 132
Code Completion 133 131
Code Refactoring 145 136
Bug Fixing 147 136
Unit Test Generation 131 124
Code Documentation 137 131
Regex Writing 125 119
CI/CD Pipelines 127 120
Frontend Component Design 129 122
Data Analysis 132 124
CSV / Spreadsheet Cleanup 136 133
ETL Scripting 136 128
JSON Extraction 131 131
Bulk Data Labeling 129 129
OCR / Document Parsing 134 131
Table Extraction from PDFs 134 131
Long-Document Summarization 147 137
Short-Form Summarization 126 123
Blog Post Writing 129 121

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

Related comparisons

Google: Gemini 4 Carbon vs Meta: Muse Ember Google: Gemini 4 Carbon vs Tencent: Hy4 Google: Gemini 4 Carbon (batch) vs Meta: Muse Ember Google: Gemini 4 Carbon (batch) vs Tencent: Hy4 Nex AGI: Nex-N2.6 vs Meta: Muse Ember Nex AGI: Nex-N2.6 vs Tencent: Hy4 Meta: Muse Ember vs Z.ai: GLM 5.3 FlashX Legal Meta: Muse Ember vs Particle AI: Particle-1

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.