Model Comparison

GPT OSS 20B vs Nova Lite

GPT OSS 20B significantly outperforms across most benchmarks. GPT OSS 20B is 1.2x cheaper per token.

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Performance Benchmarks

Comparative analysis across standard metrics

2 benchmarks

GPT OSS 20B outperforms in 2 benchmarks (GPQA, MMLU), while Nova Lite is better at 0 benchmarks.

GPT OSS 20B significantly outperforms across most benchmarks.

Fri May 08 2026 • llm-stats.com

Arena Performance

Human preference votes

Pricing Analysis

Price comparison per million tokens

GPT OSS 20B costs less

For input processing, GPT OSS 20B ($0.05/1M tokens) is 1.2x cheaper than Nova Lite ($0.06/1M tokens).

For output processing, GPT OSS 20B ($0.20/1M tokens) is 1.2x cheaper than Nova Lite ($0.24/1M tokens).

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

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

Lowest available price from all providers

Fri May 08 2026 • llm-stats.com

GPT OSS 20B

Input tokens$0.05

Output tokens$0.20

Best providerNovita

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's 131,072 tokens. GPT OSS 20B can generate longer responses up to 32,768 tokens, while Nova Lite is limited to 2,048 tokens.

GPT OSS 20B

Input131,072 tokens

Output32,768 tokens

Nova Lite

Input300,000 tokens

Output2,048 tokens

Fri May 08 2026 • llm-stats.com

Input Capabilities

Supported data types and modalities

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

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

GPT OSS 20B

Text

Images

Audio

Video

Nova Lite

Text

Images

Audio

Video

License

Usage and distribution terms

GPT OSS 20B 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

Apache 2.0

Open weights

Nova Lite

Proprietary

Closed source

Release Timeline

When each model was launched

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

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

GPT OSS 20B

Aug 5, 2025

9 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 is available from Novita, Fireworks, Groq, OpenAI. Nova Lite is available from Bedrock.

GPT OSS 20B

Novita

Input Price:Input: $0.05/1MOutput Price:Output: $0.20/1M

Fireworks

Input Price:Input: $0.10/1MOutput Price:Output: $0.50/1M

Groq

Input Price:Input: $0.10/1MOutput Price:Output: $0.50/1M

OpenAI

Input Price:Input: $0.10/1MOutput Price:Output: $0.50/1M

Nova Lite

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

GPT OSS 20B

View details

OpenAI

Less expensive input tokens

Less expensive output tokens

Has open weights

Higher GPQA score (71.5% vs 42.0%)

Higher MMLU score (85.3% vs 80.5%)

Nova Lite

View details

Amazon

Larger context window (300,000 tokens)

Supports multimodal inputs

Detailed Comparison

AI Model Comparison Table
Feature	GPT OSS 20B	Nova Lite

FAQ

Common questions about GPT OSS 20B vs Nova Lite.

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

GPT OSS 20B significantly outperforms across most benchmarks. GPT OSS 20B 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 compare to Nova Lite in benchmarks?

GPT OSS 20B scores MMLU: 85.3%, CodeForces: 74.3%, GPQA: 71.5%, TAU-bench Retail: 54.8%, HealthBench: 42.5%. 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 cheaper than Nova Lite?

GPT OSS 20B is 1.2x cheaper for input tokens. GPT OSS 20B costs $0.05/M input and $0.20/M output via novita. Nova Lite costs $0.06/M input and $0.24/M output via bedrock.

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

GPT OSS 20B 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 and Nova Lite?

Key differences include context window (131K vs 300K), input pricing ($0.05 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 and Nova Lite?

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