Model Comparison

GPT-5.1 High vs Nova Pro

GPT-5.1 High significantly outperforms across most benchmarks. Nova Pro is 2.5x cheaper per token.

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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.

Sat Apr 18 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
Sat Apr 18 2026 • llm-stats.com
OpenAI
GPT-5.1 High
Input tokens$1.25
Output tokens$10.00
Best providerOpenAI
Amazon
Nova Pro
Input tokens$0.80
Output tokens$3.20
Best providerAWS Bedrock
Notice missing or incorrect data?Start an Issue→

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.

OpenAI
GPT-5.1 High
Input400,000 tokens
Output128,000 tokens
Amazon
Nova Pro
Input300,000 tokens
Output300,000 tokens
Sat Apr 18 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

5 months ago

11mo newer
Nova Pro

Nov 20, 2024

1.4 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.

GPT-5.1 High

openai logo
OpenAI
Input Price:Input: $1.25/1MOutput Price:Output: $10.00/1M

Nova Pro

bedrock logo
AWS Bedrock
Input Price:Input: $0.80/1MOutput Price:Output: $3.20/1M
* Prices shown are per million tokens

Outputs Comparison

Notice missing or incorrect data?Start an Issue discussion→

Key Takeaways

OpenAI
Larger context window (400,000 tokens)
Higher GPQA score (88.1% vs 46.9%)
Amazon
Less expensive input tokens
Less expensive output tokens

Detailed Comparison

AI Model Comparison Table
Feature
OpenAI
GPT-5.1 High
Amazon
Nova Pro

FAQ

Common questions about GPT-5.1 High vs Nova Pro

GPT-5.1 High significantly outperforms across most benchmarks. GPT-5.1 High is made by OpenAI and Nova Pro is made by Amazon. The best choice depends on your use case — compare their benchmark scores, pricing, and capabilities above.
GPT-5.1 High scores AIME 2025: 99.6%, GPQA: 88.1%. Nova Pro scores ARC-C: 94.8%, GSM8k: 94.8%, DocVQA: 93.5%, IFEval: 92.1%, ChartQA: 89.2%.
Nova Pro is 1.6x cheaper for input tokens. GPT-5.1 High costs $1.25/M input and $10.00/M output via openai. Nova Pro costs $0.80/M input and $3.20/M output via bedrock.
GPT-5.1 High supports 400K tokens and Nova Pro supports 300K tokens. A larger context window lets you process longer documents, conversations, or codebases in a single request.
Key differences include context window (400K vs 300K), input pricing ($1.25 vs $0.80/M). See the full comparison above for benchmark-by-benchmark results.
GPT-5.1 High is developed by OpenAI and Nova Pro is developed by Amazon.