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Hermes 3 70B vs Phi 4 Reasoning

Both models are evenly matched across the benchmarks.

Nous Research · Microsoft · Updated for 2026

Which is better?

Hermes 3 70B outperforms in 1 benchmarks (GPQA), while Phi 4 Reasoning is better at 1 benchmark (MMLU-Pro). Both models are evenly matched across the benchmarks.

Based on current benchmark, 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 Phi 4 Reasoning

  • you want the most recent training data — it shipped Apr 2025

At a glance

The differences that matter most.

Hermes 3 70B
Nous Research
Phi 4 Reasoning
Microsoft
Benchmark wins
1 of 2
1 of 2
Input price
$0.35 / M
— / M
Output price
$1.40 / M
— / M
Context window
131,072
—
Released
Aug 2024
Apr 2025
License
Apache 2.0
MIT

Performance Benchmarks

Comparative analysis across standard metrics

2 benchmarks

Hermes 3 70B outperforms in 1 benchmarks (GPQA), while Phi 4 Reasoning is better at 1 benchmark (MMLU-Pro).

Both models are evenly matched across the benchmarks.

Mon Aug 24 2026 • llm-stats.com

Arena Performance

Playground indexes and blind preference scores

Model Size

Parameter count comparison

56.0B diff

Hermes 3 70B has 56.0B more parameters than Phi 4 Reasoning, making it 400.0% larger.

Nous Research
Hermes 3 70B
70.0Bparameters
Microsoft
Phi 4 Reasoning
14.0Bparameters
70.0B
Hermes 3 70B
14.0B
Phi 4 Reasoning

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
Microsoft
Phi 4 Reasoning
Input- tokens
Output- tokens
Mon Aug 24 2026 • llm-stats.com

License

Usage and distribution terms

Hermes 3 70B is licensed under Apache 2.0, while Phi 4 Reasoning uses MIT.

License differences may affect how you can use these models in commercial or open-source projects.

Hermes 3 70B

Apache 2.0

Open weights

Phi 4 Reasoning

MIT

Open weights

Release Timeline

When each model was launched

Hermes 3 70B was released on 2024-08-15, while Phi 4 Reasoning was released on 2025-04-30.

Phi 4 Reasoning is 9 months newer than Hermes 3 70B.

Hermes 3 70B

Aug 15, 2024

2.0 years ago

Phi 4 Reasoning

Apr 30, 2025

1.3 years ago

8mo newer

Knowledge Cutoff

When training data ends

Phi 4 Reasoning has a documented knowledge cutoff of 2025-03-01, while Hermes 3 70B's cutoff date is not specified.

We can confirm Phi 4 Reasoning's training data extends to 2025-03-01, but cannot make a direct comparison without Hermes 3 70B's cutoff date.

Hermes 3 70B

—

Phi 4 Reasoning

Mar 2025

Outputs Comparison

Notice missing or incorrect data?Start an Issue discussion→

Judge for yourself.

Run your own prompts against Hermes 3 70B and Phi 4 Reasoning side-by-side, then vote on the output you prefer.

Hermes 3 70B
✓ Preferred
Phi 4 Reasoning
Open in Playground

FAQ

Common questions about Hermes 3 70B vs Phi 4 Reasoning.

Which is better, Hermes 3 70B or Phi 4 Reasoning?

Both models are evenly matched across the benchmarks. Hermes 3 70B is made by Nous Research and Phi 4 Reasoning is made by Microsoft. The best choice depends on your use case — compare their benchmark scores, pricing, and capabilities above.

How does Hermes 3 70B compare to Phi 4 Reasoning in benchmarks?

Hermes 3 70B scores MT-Bench: 89.9%, HellaSwag: 88.2%, BoolQ: 88.0%, PIQA: 84.4%, Winogrande: 83.2%. Phi 4 Reasoning scores FlenQA: 97.7%, HumanEval+: 92.9%, IFEval: 83.4%, OmniMath: 76.6%, AIME 2024: 75.3%.

What are the context window sizes for Hermes 3 70B and Phi 4 Reasoning?

Hermes 3 70B supports 131K tokens and Phi 4 Reasoning 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 Phi 4 Reasoning?

Key differences include licensing (Apache 2.0 vs MIT). See the full comparison above for benchmark-by-benchmark results.

Who makes Hermes 3 70B and Phi 4 Reasoning?

Hermes 3 70B is developed by Nous Research and Phi 4 Reasoning is developed by Microsoft.

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