GPT-5.1 High vs Nova Pro Comparison

Comparing GPT-5.1 High and Nova Pro across benchmarks, pricing, and capabilities.

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Performance Benchmarks

Comparative analysis across standard metrics

1 benchmarks

GPT-5.1 High outperforms in 1 benchmarks (GPQA), while Nova Pro is better at 0 benchmarks.

GPT-5.1 High significantly outperforms across most benchmarks.

Tue Mar 17 2026 • llm-stats.com

Arena Performance

Human preference votes

Pricing Analysis

Price comparison per million tokens

Nova Pro costs less

For input processing, GPT-5.1 High ($1.25/1M tokens) is 1.6x more expensive than Nova Pro ($0.80/1M tokens).

For output processing, GPT-5.1 High ($10.00/1M tokens) is 3.1x more expensive than Nova Pro ($3.20/1M tokens).

In conclusion, GPT-5.1 High is more expensive than Nova Pro.*

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

Lowest available price from all providers

Tue Mar 17 2026 • llm-stats.com

GPT-5.1 High

Input tokens$1.25

Output tokens$10.00

Best providerOpenAI

Nova Pro

Input tokens$0.80

Output tokens$3.20

Best providerAWS Bedrock

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Context Window

Maximum input and output token capacity

GPT-5.1 High accepts 400,000 input tokens compared to Nova Pro's 300,000 tokens. Nova Pro can generate longer responses up to 300,000 tokens, while GPT-5.1 High is limited to 128,000 tokens.

GPT-5.1 High

Input400,000 tokens

Output128,000 tokens

Nova Pro

Input300,000 tokens

Output300,000 tokens

Tue Mar 17 2026 • llm-stats.com

Input Capabilities

Supported data types and modalities

Both GPT-5.1 High and Nova Pro support multimodal inputs.

They are both capable of processing various types of data, offering versatility in application.

GPT-5.1 High

Text

Images

Audio

Video

Nova Pro

Text

Images

Audio

Video

License

Usage and distribution terms

Both models are licensed under proprietary licenses.

Both models have usage restrictions defined by their respective organizations.

GPT-5.1 High

Proprietary

Closed source

Nova Pro

Proprietary

Closed source

Release Timeline

When each model was launched

GPT-5.1 High was released on 2025-11-12, while Nova Pro was released on 2024-11-20.

GPT-5.1 High is 12 months newer than Nova Pro.

GPT-5.1 High

Nov 12, 2025

4 months ago

11mo newer

Nova Pro

Nov 20, 2024

1.3 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-5.1 High is available from OpenAI. Nova Pro is available from Bedrock. The availability of providers can affect quality of the model and reliability.