Model Comparison

GPT OSS 20B High vs Nova Lite

GPT OSS 20B High significantly outperforms across most benchmarks. Nova Lite is 1.9x cheaper per token.

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Performance Benchmarks

Comparative analysis across standard metrics

1 benchmarks

GPT OSS 20B High outperforms in 1 benchmarks (GPQA), while Nova Lite is better at 0 benchmarks.

GPT OSS 20B High significantly outperforms across most benchmarks.

Wed Jun 03 2026 • llm-stats.com

Arena Performance

Human preference votes

Pricing Analysis

Price comparison per million tokens

Nova Lite costs less

For input processing, GPT OSS 20B High ($0.10/1M tokens) is 1.7x more expensive than Nova Lite ($0.06/1M tokens).

For output processing, GPT OSS 20B High ($0.50/1M tokens) is 2.1x more expensive than Nova Lite ($0.24/1M tokens).

In conclusion, GPT OSS 20B High is more expensive than Nova Lite.*

* Using a 3:1 ratio of input to output tokens

Lowest available price from all providers
Wed Jun 03 2026 • llm-stats.com
OpenAI
GPT OSS 20B High
Input tokens$0.10
Output tokens$0.50
Best providerOpenAI
Amazon
Nova Lite
Input tokens$0.06
Output tokens$0.24
Best providerAWS Bedrock
Notice missing or incorrect data?Start an Issue→

Context Window

Maximum input and output token capacity

Nova Lite accepts 300,000 input tokens compared to GPT OSS 20B High's 131,072 tokens. GPT OSS 20B High can generate longer responses up to 131,072 tokens, while Nova Lite is limited to 2,048 tokens.

OpenAI
GPT OSS 20B High
Input131,072 tokens
Output131,072 tokens
Amazon
Nova Lite
Input300,000 tokens
Output2,048 tokens
Wed Jun 03 2026 • llm-stats.com

Input Capabilities

Supported data types and modalities

Nova Lite supports multimodal inputs, whereas GPT OSS 20B High does not.

Nova Lite can handle both text and other forms of data like images, making it suitable for multimodal applications.

GPT OSS 20B High

Text
Images
Audio
Video

Nova Lite

Text
Images
Audio
Video

License

Usage and distribution terms

GPT OSS 20B High is licensed under Apache 2.0, while Nova Lite uses a proprietary license.

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

GPT OSS 20B High

Apache 2.0

Open weights

Nova Lite

Proprietary

Closed source

Release Timeline

When each model was launched

GPT OSS 20B High was released on 2025-08-05, while Nova Lite was released on 2024-11-20.

GPT OSS 20B High is 9 months newer than Nova Lite.

GPT OSS 20B High

Aug 5, 2025

10 months ago

8mo newer
Nova Lite

Nov 20, 2024

1.5 years ago

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

Provider Availability

GPT OSS 20B High is available from OpenAI. Nova Lite is available from Bedrock.

GPT OSS 20B High

openai logo
OpenAI
Input Price:Input: $0.10/1MOutput Price:Output: $0.50/1M

Nova Lite

bedrock logo
AWS Bedrock
Input Price:Input: $0.06/1MOutput Price:Output: $0.24/1M
* Prices shown are per million tokens

Outputs Comparison

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Key Takeaways

OpenAI
Has open weights
Higher GPQA score (74.2% vs 42.0%)
Amazon
Larger context window (300,000 tokens)
Supports multimodal inputs
Less expensive input tokens
Less expensive output tokens

Detailed Comparison

AI Model Comparison Table
Feature
OpenAI
GPT OSS 20B High
Amazon
Nova Lite

FAQ

Common questions about GPT OSS 20B High vs Nova Lite.

Which is better, GPT OSS 20B High or Nova Lite?

GPT OSS 20B High significantly outperforms across most benchmarks. GPT OSS 20B High is made by OpenAI and Nova Lite is made by Amazon. The best choice depends on your use case — compare their benchmark scores, pricing, and capabilities above.

How does GPT OSS 20B High compare to Nova Lite in benchmarks?

GPT OSS 20B High scores AIME 2025: 98.7%, GPQA: 74.2%. Nova Lite scores GSM8k: 94.5%, ARC-C: 92.4%, DocVQA: 92.4%, IFEval: 89.7%, Translation en→Set1 COMET22: 88.8%.

Is GPT OSS 20B High cheaper than Nova Lite?

Nova Lite is 1.7x cheaper for input tokens. GPT OSS 20B High costs $0.10/M input and $0.50/M output via openai. Nova Lite costs $0.06/M input and $0.24/M output via bedrock.

What are the context window sizes for GPT OSS 20B High and Nova Lite?

GPT OSS 20B High supports 131K tokens and Nova Lite supports 300K tokens. A larger context window lets you process longer documents, conversations, or codebases in a single request.

What are the main differences between GPT OSS 20B High and Nova Lite?

Key differences include context window (131K vs 300K), input pricing ($0.10 vs $0.06/M), multimodal support (no vs yes), licensing (Apache 2.0 vs Proprietary). See the full comparison above for benchmark-by-benchmark results.

Who makes GPT OSS 20B High and Nova Lite?

GPT OSS 20B High is developed by OpenAI and Nova Lite is developed by Amazon.