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swap_horiz OPT Alternatives

Looking for alternatives to OPT? Compare the top Model options ranked by our AI scoring system.

You're looking at alternatives to:
OPT

OPT

The Open Pre-trained Transformers (OPT) are a suite of large language models released by Meta AI in 2022. The suite includes models ranging from 125 million to 175 billion parameters, with the largest model specifically designed to match the scale and architecture of OpenAI's GPT-3. Meta released th...

7.5 Good

apps Top OPT Alternatives

The top alternative to OPT in 2026 is Stable Diffusion 1.5 with a score of 9.2/10, followed by DeepSeek-R1 (9.2) and SAM (9.1).

1
Stable Diffusion 1.5

Stable Diffusion 1.5

Stable Diffusion 1.5 is an open-weight text-to-image artificial intelligence model released in October 2022 by Stability...

Stability AI 2022 Diffusion Open Weight
9.2 Excellent
2
DeepSeek-R1

DeepSeek-R1

DeepSeek-R1 is an open-weight large language model developed by the Chinese artificial intelligence company DeepSeek and...

Reasoning Deepseek 2025 LLM
9.2 Excellent
3
SAM

SAM

SAM (Segment Anything Model) is a vision foundation model developed by Meta AI and released in 2023. It was trained on t...

Meta Segmentation Foundational 2023
9.1 Excellent
4
Chinchilla

Chinchilla

Chinchilla is a large language model developed by DeepMind and detailed in a 2022 research paper. It features 70 billion...

2022 LLM Deepmind Scaling Laws
9.0 Excellent
5
DeepSeek-V3

DeepSeek-V3

DeepSeek-V3 is a large language model released by the Chinese AI company DeepSeek in late 2024. It is built as a Mixture...

Deepseek 2024 LLM Moe
9.0 Excellent
6
Llama 3.1 405B

Llama 3.1 405B

Llama 3.1 405B is a large language model released by Meta in 2024, serving as the flagship of the Llama 3.1 collection....

Meta Large 2024 LLM
8.9 Great
7
GPT-3

GPT-3

GPT-3 is a large language model developed by OpenAI and released in June 2020. With 175 billion parameters, it represent...

Openai Foundational 2020 LLM
8.7 Great
8
InstructGPT

InstructGPT

InstructGPT is a family of large language models introduced by OpenAI in 2022, designed to align artificial intelligence...

Openai 2022 LLM Instruction Tuned
8.7 Great
9
Llama 3.3

Llama 3.3

Llama 3.3 is an instruction-tuned large language model developed by Meta and released in December 2024. Built with 70 bi...

Meta Chat 2024 LLM
8.6 Great
10
Qwen2.5

Qwen2.5

Qwen2.5 is an open-weight family of large language models released in 2024 by Alibaba Cloud. The series includes base an...

Multilingual Alibaba 2024 LLM
8.6 Great
11
QwQ-32B

QwQ-32B

QwQ-32B is a 32-billion-parameter large language model developed by Alibaba's Qwen team and released in late November 20...

Reasoning Alibaba 2024 LLM
8.6 Great
12
FLAN-T5

FLAN-T5

FLAN-T5 is a series of instruction-tuned large language models released by Google in late 2022. It is an enhanced versio...

Google Efficient 2022 LLM
8.4 Great
13
Mistral 7B

Mistral 7B

Mistral 7B is an open-weight large language model released in September 2023 by the French artificial intelligence compa...

Efficient 2023 LLM Mistral AI
8.4 Great
14
Gemma 2 27B

Gemma 2 27B

Gemma 2 27B is an open-weight large language model developed by Google DeepMind and released in June 2024. As the larger...

Google Large 2024 LLM
8.4 Great
15
Gemma 2

Gemma 2

Gemma 2 is Google's second generation family of open-weight language models, introduced in 2024. It was released in 2-bi...

Google Efficient 2024 LLM
8.3 Great
16
PaLM

PaLM

PaLM (Pathways Language Model) is a 540-billion-parameter language model developed by Google and announced in April 2022...

Google Large Scale Foundational 2022
8.1 Great
17
Llama 3.2

Llama 3.2

Llama 3.2 is a family of open-weight artificial intelligence models released by Meta in 2024. The release introduces lig...

Multimodal Meta 2024 LLM
8.1 Great
18
BLOOM

BLOOM

BLOOM is an open-access, multilingual large language model developed by the BigScience international research collaborat...

Multilingual 2022 LLM Open Weight
8.1 Great
19
GPT-J 6B

GPT-J 6B

GPT-J 6B is an autoregressive large language model developed by the decentralized research laboratory EleutherAI and rel...

Foundational 2021 LLM Open Weight
7.7 Good
20
GPT-NeoX 20B

GPT-NeoX 20B

GPT-NeoX 20B is a 20-billion-parameter autoregressive large language model developed by the research lab EleutherAI and...

Foundational 2022 LLM Open Weight
7.6 Good

summarize Quick Comparison Summary

Alternative Score vs OPT Action
Stable Diffusion 1.5
Stable Diffusion 1.5
Model Stability AI 2022 Diffusion
9.2 Excellent +1.7 Compare
DeepSeek-R1
DeepSeek-R1
Model Reasoning Deepseek 2025
9.2 Excellent +1.7 Compare
SAM
SAM
Model Meta Segmentation Foundational
9.1 Excellent +1.6 Compare
Chinchilla
Chinchilla
Model 2022 LLM Deepmind
9.0 Excellent +1.5 Compare
DeepSeek-V3
DeepSeek-V3
Model Deepseek 2024 LLM
9.0 Excellent +1.5 Compare
Llama 3.1 405B
Llama 3.1 405B
Model Meta Large 2024
8.9 Great +1.4 Compare
GPT-3
GPT-3
Model Openai Foundational 2020
8.7 Great +1.2 Compare
InstructGPT
InstructGPT
Model Openai 2022 LLM
8.7 Great +1.2 Compare
Llama 3.3
Llama 3.3
Model Meta Chat 2024
8.6 Great +1.1 Compare
Qwen2.5
Qwen2.5
Model Multilingual Alibaba 2024
8.6 Great +1.1 Compare

See all Model ranked by score

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help Frequently Asked Questions

What are the best alternatives to OPT?
The top alternatives to OPT in 2026 include Stable Diffusion 1.5, DeepSeek-R1, SAM, Chinchilla, DeepSeek-V3. Each offers unique features and is objectively scored on Lunoo to help you compare.
How does OPT compare to its competitors?
Our AI-powered comparison system analyzes features, pricing, user reviews, and expert opinions to provide objective scores. OPT scores 7.5/10. Click any alternative above to see a detailed side-by-side comparison.
Is OPT worth it in 2026?
OPT scores 7.5/10 in the Model category. We recommend comparing it with the 20 alternatives listed above to find the best fit for your needs.
What is the best free alternative to OPT?
Several alternatives to OPT offer free plans or free tiers. Check the alternatives listed above and visit their websites to compare pricing and free options.
Why should I switch from OPT?
Common reasons users look for OPT alternatives include pricing, specific feature gaps, better integration needs, or simply exploring newer options. Our objective scoring helps you compare without bias.
How many alternatives to OPT are there?
Lunoo currently lists 20 scored alternatives to OPT in the Model category, ranked by our AI-powered evaluation system.
Which OPT alternative has the highest rating?
Stable Diffusion 1.5 currently holds the highest rating among OPT alternatives with a score of 9.2/10.
Can I use Stable Diffusion 1.5 instead of OPT?
Stable Diffusion 1.5 is one of the top-rated alternatives to OPT. While they serve similar purposes in the Model space, each has distinct strengths. Use our comparison tool above for a detailed side-by-side analysis.
What is the cheapest alternative to OPT?
Pricing varies among OPT alternatives. We recommend checking each alternative's website for current pricing. Many options in the Model category offer free tiers or competitive pricing.
How are OPT alternatives ranked on Lunoo?
Lunoo uses an AI-powered scoring system that analyzes category fit, feature coverage, pricing signals, public reception, recency, and value to provide 0 to 10 scores. Rankings are updated continuously.
OPT vs Stable Diffusion 1.5: which is better?
OPT scores 7.5/10 while Stable Diffusion 1.5 scores 9.2/10 on Lunoo. The best choice depends on your specific needs. Use our detailed comparison tool for a full breakdown.
OPT vs DeepSeek-R1: which is better?
OPT scores 7.5/10 while DeepSeek-R1 scores 9.2/10 on Lunoo. The best choice depends on your specific needs. Use our detailed comparison tool for a full breakdown.
OPT vs SAM: which is better?
OPT scores 7.5/10 while SAM scores 9.1/10 on Lunoo. The best choice depends on your specific needs. Use our detailed comparison tool for a full breakdown.

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