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Hermes 3 70B vs Hy4 preview

Hy4 preview leads the LLM Stats Score 51.5 to 3.9.

Nous Research · Tencent · Updated for 2026

Which is better?

Hy4 preview leads the overall LLM Stats Score 51.5 to 3.9, ranking #10 overall.

In the 1 individual benchmarks reported for both models, Hy4 preview wins 1; this is a narrower head-to-head signal than the composite indexes.

Based on current LLM Stats indexes, shared benchmarks, pricing, and model metadata for 2026.

Choose Hermes 3 70B

  • you want predictable pricing at $0.35/M input and $1.40/M output

Choose Hy4 preview

  • overall performance matters — it scores 51.5 and ranks #10 on LLM Stats
  • your work emphasizes reasoning — it leads those capability indexes
  • you value its reported benchmark strengths — it wins 1 of 1 exact shared results
  • you want the most recent training data — it shipped Aug 2026

At a glance

The differences that matter most.

Hermes 3 70B
Nous Research
Hy4 preview
Tencent
Core performance indexes
LLM Stats Score
3.9
#289
51.5
#10
Reasoning
1.0
#298
51.2
#8
Cost, coverage & limits
Benchmark wins
0 of 1
1 of 1
Input price
$0.35 / M
— / M
Output price
$1.40 / M
— / M
Context window
131,072
—

Capability indexes

Additional strengths measured across groups of related public benchmarks

1 shared
Index
Hermes 3 70B
Hy4 preview
Math
-0.6#289
40.3#12
Conservative TrueSkill rating · higher is betterHow scores work

Individual benchmarks

17 reported for Hermes 3 70B · 32 for Hy4 preview

1 shared

Hermes 3 70B outperforms in 0 benchmarks, while Hy4 preview is better at 1 benchmark (GPQA).

Hy4 preview significantly outperforms across most benchmarks.

Mon Aug 31 2026 • llm-stats.com

Human preference

Blind head-to-head votes and playground preference scores

Model Size

Parameter count comparison

700.0B diff

Hy4 preview has 700.0B more parameters than Hermes 3 70B, making it 1000.0% larger.

Nous Research
Hermes 3 70B
70.0Bparameters
Tencent
Hy4 preview
770.0Bparameters
70.0B
Hermes 3 70B
770.0B
Hy4 preview

Context Window

Maximum input and output token capacity

Only Hermes 3 70B specifies input context (131,072 tokens). Only Hermes 3 70B specifies output context (16,384 tokens).

Nous Research
Hermes 3 70B
Input131,072 tokens
Output16,384 tokens
Tencent
Hy4 preview
Input- tokens
Output- tokens
Mon Aug 31 2026 • llm-stats.com

License

Usage and distribution terms

Both models are licensed under Apache 2.0.

Both models share the same licensing terms, providing consistent usage rights.

Hermes 3 70B

Apache 2.0

Open weights

Hy4 preview

Apache 2.0

Open weights

Release Timeline

When each model was launched

Hermes 3 70B was released on 2024-08-15, while Hy4 preview was released on 2026-08-28.

Hy4 preview is 25 months newer than Hermes 3 70B.

Hermes 3 70B

Aug 15, 2024

2.0 years ago

Hy4 preview

Aug 28, 2026

2 days ago

2.0yr newer

Knowledge Cutoff

When training data ends

Neither model specifies a knowledge cutoff date.

Unable to compare the recency of their training data.

No cutoff dates available

Outputs Comparison

Notice missing or incorrect data?Start an Issue discussion→

Judge for yourself.

Run your own prompts against Hermes 3 70B and Hy4 preview side-by-side, then vote on the output you prefer.

Hermes 3 70B
✓ Preferred
Hy4 preview
Open in Playground

FAQ

Common questions about Hermes 3 70B vs Hy4 preview.

Which is better, Hermes 3 70B or Hy4 preview?

Hy4 preview leads the LLM Stats Score 51.5 to 3.9. Hermes 3 70B is made by Nous Research and Hy4 preview is made by Tencent. The best choice depends on your use case — compare their capability indexes, individual benchmarks, pricing, and limits above.

How does Hermes 3 70B compare to Hy4 preview in benchmarks?

Hermes 3 70B scores MT-Bench: 89.9%, HellaSwag: 88.2%, BoolQ: 88.0%, PIQA: 84.4%, Winogrande: 83.2%. Hy4 preview scores GPQA: 92.3%, Terminal-Bench 2.1: 85.4%, WideSearch: 83.9%, MCP Atlas: 83.7%, SWE-bench Multilingual: 82.9%.

What are the context window sizes for Hermes 3 70B and Hy4 preview?

Hermes 3 70B supports 131K tokens and Hy4 preview supports an unknown number of tokens. A larger context window lets you process longer documents, conversations, or codebases in a single request.

What are the main differences between Hermes 3 70B and Hy4 preview?

Key differences include LLM Stats Score (3.9 vs 51.5). See the full comparison above for benchmark-by-benchmark results.

Who makes Hermes 3 70B and Hy4 preview?

Hermes 3 70B is developed by Nous Research and Hy4 preview is developed by Tencent.

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