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GPT-5 vs K2 Horizon MoVA 36B-A4B

GPT-5 and K2 Horizon MoVA 36B-A4B are closely matched at 33.2 and 29.8 on the LLM Stats Score.

OpenAI · Institute of Foundation Models · Updated for 2026

Which is better?

GPT-5 and K2 Horizon MoVA 36B-A4B are closely matched on the overall LLM Stats Score at 33.2 and 29.8.

The models split the 2 individual benchmarks reported for both models evenly.

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

Choose GPT-5

  • your work emphasizes coding — it leads those capability indexes

Choose K2 Horizon MoVA 36B-A4B

  • you want the most recent training data — it shipped Sep 2026
  • you need open weights you can self-host or fine-tune

At a glance

The differences that matter most.

GPT-5
OpenAI
K2 Horizon MoVA 36B-A4B
Institute of Foundation Models
Core performance indexes
LLM Stats Score
33.2
#125
29.8
#149
Reasoning
33.6
#115
29.7
#148
Coding
26.3
#87
13.9
#163
Agents
7.9
#164
14.5
#116
Cost, coverage & limits
Benchmark wins
1 of 2
1 of 2
Input price
$1.25 / M
— / M
Output price
$10.00 / M
— / M
Context window
400,000
—

Capability indexes

Additional strengths measured across groups of related public benchmarks

2 shared
Index
GPT-5
K2 Horizon MoVA 36B-A4B
Math
31.4#75
21.8#156
Tool use
15.8#108
11.9#132
Conservative TrueSkill rating · higher is betterHow scores work

Individual benchmarks

34 reported for GPT-5 · 9 for K2 Horizon MoVA 36B-A4B

2 shared

GPT-5 outperforms in 1 benchmarks (GPQA), while K2 Horizon MoVA 36B-A4B is better at 1 benchmark (Humanity's Last Exam).

Both models are evenly matched across the benchmarks.

Fri Oct 30 2026 • llm-stats.com

Human preference

Blind head-to-head votes and playground preference scores

Context Window

Maximum input and output token capacity

Only GPT-5 specifies input context (400,000 tokens). Only GPT-5 specifies output context (128,000 tokens).

OpenAI
GPT-5
Input400,000 tokens
Output128,000 tokens
Institute of Foundation Models
K2 Horizon MoVA 36B-A4B
Input- tokens
Output- tokens
Fri Oct 30 2026 • llm-stats.com

Input capabilities

Documented input modalities across available providers

GPT-5 supports multimodal inputs, whereas K2 Horizon MoVA 36B-A4B does not.

GPT-5 can handle both text and other forms of data like images, making it suitable for multimodal applications.

GPT-5

Text
Images
Audio
Video

K2 Horizon MoVA 36B-A4B

Text
Images
Audio
Video

License

Usage and distribution terms

GPT-5 is licensed under a proprietary license, while K2 Horizon MoVA 36B-A4B uses Apache 2.0.

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

GPT-5

Proprietary

Closed source

K2 Horizon MoVA 36B-A4B

Apache 2.0

Open weights

Release Timeline

When each model was launched

GPT-5 was released on 2025-08-07, while K2 Horizon MoVA 36B-A4B was released on 2026-09-03.

K2 Horizon MoVA 36B-A4B is 13 months newer than GPT-5.

GPT-5

Aug 7, 2025

1.2 years ago

K2 Horizon MoVA 36B-A4B

Sep 3, 2026

1 months ago

1.1yr newer

Knowledge Cutoff

When training data ends

GPT-5 has a documented knowledge cutoff of 2024-09-30, while K2 Horizon MoVA 36B-A4B's cutoff date is not specified.

We can confirm GPT-5's training data extends to 2024-09-30, but cannot make a direct comparison without K2 Horizon MoVA 36B-A4B's cutoff date.

GPT-5

Sep 2024

K2 Horizon MoVA 36B-A4B

—

Outputs Comparison

Notice missing or incorrect data?

Judge for yourself.

Run your own prompts against GPT-5 and K2 Horizon MoVA 36B-A4B side-by-side, then vote on the output you prefer.

GPT-5
✓ Preferred
K2 Horizon MoVA 36B-A4B
Open in Playground

FAQ

Common questions about GPT-5 vs K2 Horizon MoVA 36B-A4B.

Which is better, GPT-5 or K2 Horizon MoVA 36B-A4B?

GPT-5 and K2 Horizon MoVA 36B-A4B are closely matched on the LLM Stats Score at 33.2 and 29.8. GPT-5 is made by OpenAI and K2 Horizon MoVA 36B-A4B is made by Institute of Foundation Models. The best choice depends on your use case — compare their capability indexes, individual benchmarks, pricing, and limits above.

How does GPT-5 compare to K2 Horizon MoVA 36B-A4B in benchmarks?

GPT-5 scores SWE-Lancer (IC-Diamond subset): 100.0%, COLLIE: 99.0%, Tau2 Telecom: 96.7%, OpenAI-MRCR: 2 needle 128k: 95.2%, AIME 2025: 94.6%. K2 Horizon MoVA 36B-A4B scores GPQA: 80.8%, OmniScience (non-hallucination rate): 69.2%, AA-LCR: 66.3%, Terminal-Bench 2.1: 58.6%, SciCode: 38.9%.

What are the context window sizes for GPT-5 and K2 Horizon MoVA 36B-A4B?

GPT-5 supports 400K tokens and K2 Horizon MoVA 36B-A4B 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 GPT-5 and K2 Horizon MoVA 36B-A4B?

Key differences include LLM Stats Score (33.2 vs 29.8), multimodal support (yes vs no), licensing (Proprietary vs Apache 2.0). See the full comparison above for benchmark-by-benchmark results.

Who makes GPT-5 and K2 Horizon MoVA 36B-A4B?

GPT-5 is developed by OpenAI and K2 Horizon MoVA 36B-A4B is developed by Institute of Foundation Models.

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