Model Comparison

GPT-5.1 Instant vs Nova Micro

GPT-5.1 Instant significantly outperforms across most benchmarks. Nova Micro is 59.8x cheaper per token.

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Performance Benchmarks

Comparative analysis across standard metrics

1 benchmarks

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

GPT-5.1 Instant significantly outperforms across most benchmarks.

Thu Apr 16 2026 • llm-stats.com

Arena Performance

Human preference votes

Pricing Analysis

Price comparison per million tokens

Nova Micro costs less

For input processing, GPT-5.1 Instant ($1.25/1M tokens) is 41.7x more expensive than Nova Micro ($0.03/1M tokens).

For output processing, GPT-5.1 Instant ($10.00/1M tokens) is 71.4x more expensive than Nova Micro ($0.14/1M tokens).

In conclusion, GPT-5.1 Instant is more expensive than Nova Micro.*

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

Lowest available price from all providers
Thu Apr 16 2026 • llm-stats.com
OpenAI
GPT-5.1 Instant
Input tokens$1.25
Output tokens$10.00
Best providerOpenAI
Amazon
Nova Micro
Input tokens$0.03
Output tokens$0.14
Best providerAWS Bedrock
Notice missing or incorrect data?Start an Issue→

Context Window

Maximum input and output token capacity

GPT-5.1 Instant accepts 400,000 input tokens compared to Nova Micro's 128,000 tokens. Both models can generate responses up to 128,000 tokens.

OpenAI
GPT-5.1 Instant
Input400,000 tokens
Output128,000 tokens
Amazon
Nova Micro
Input128,000 tokens
Output128,000 tokens
Thu Apr 16 2026 • llm-stats.com

Input Capabilities

Supported data types and modalities

GPT-5.1 Instant supports multimodal inputs, whereas Nova Micro does not.

GPT-5.1 Instant can handle both text and other forms of data like images, making it suitable for multimodal applications.

GPT-5.1 Instant

Text
Images
Audio
Video

Nova Micro

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 Instant

Proprietary

Closed source

Nova Micro

Proprietary

Closed source

Release Timeline

When each model was launched

GPT-5.1 Instant was released on 2025-11-12, while Nova Micro was released on 2024-11-20.

GPT-5.1 Instant is 12 months newer than Nova Micro.

GPT-5.1 Instant

Nov 12, 2025

5 months ago

11mo newer
Nova Micro

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 Instant is available from OpenAI. Nova Micro is available from Bedrock.

GPT-5.1 Instant

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

Nova Micro

bedrock logo
AWS Bedrock
Input Price:Input: $0.03/1MOutput Price:Output: $0.14/1M
* 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)
Supports multimodal inputs
Higher GPQA score (88.1% vs 40.0%)
Amazon
Less expensive input tokens
Less expensive output tokens

Detailed Comparison

AI Model Comparison Table
Feature
OpenAI
GPT-5.1 Instant
Amazon
Nova Micro

FAQ

Common questions about GPT-5.1 Instant vs Nova Micro

GPT-5.1 Instant significantly outperforms across most benchmarks. GPT-5.1 Instant is made by OpenAI and Nova Micro is made by Amazon. The best choice depends on your use case — compare their benchmark scores, pricing, and capabilities above.
GPT-5.1 Instant scores Tau2 Telecom: 95.6%, AIME 2025: 94.0%, BrowseComp Long Context 128k: 90.0%, GPQA: 88.1%, MMMU: 85.4%. Nova Micro scores GSM8k: 92.3%, ARC-C: 90.2%, Translation Set1→en COMET22: 88.7%, Translation en→Set1 COMET22: 88.5%, IFEval: 87.2%.
Nova Micro is 41.7x cheaper for input tokens. GPT-5.1 Instant costs $1.25/M input and $10.00/M output via openai. Nova Micro costs $0.03/M input and $0.14/M output via bedrock.
GPT-5.1 Instant supports 400K tokens and Nova Micro supports 128K tokens. A larger context window lets you process longer documents, conversations, or codebases in a single request.
Key differences include context window (400K vs 128K), input pricing ($1.25 vs $0.03/M), multimodal support (yes vs no). See the full comparison above for benchmark-by-benchmark results.
GPT-5.1 Instant is developed by OpenAI and Nova Micro is developed by Amazon.