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GPT-4o mini vs Nova Micro

GPT-4o mini and Nova Micro are closely matched at 4.2 and 2.9 on the LLM Stats Score. Nova Micro is 4.6x cheaper per token.

OpenAI · Amazon · Updated for 2026

Which is better?

GPT-4o mini and Nova Micro are closely matched on the overall LLM Stats Score at 4.2 and 2.9.

In the 5 individual benchmarks reported for both models, GPT-4o mini wins 5; this is a narrower head-to-head signal than the composite indexes.

On price, Nova Micro is roughly 4.6x cheaper per token on a blended 3:1 input/output basis, which adds up quickly at production volume.

Based on current LLM Stats indexes, shared benchmarks, pricing, and model metadata for 2026.

Choose GPT-4o mini

  • you value its reported benchmark strengths — it wins 5 of 5 exact shared results

Choose Nova Micro

  • cost matters — it's about 4.6x cheaper per token
  • you want the most recent training data — it shipped Nov 2024

At a glance

The differences that matter most.

Core performance indexes
4.2
#285
2.9
#293
4.7
#276
2.1
#288
-0.2
#226
2.7
#207
Cost, coverage & limits
Benchmark wins
5 of 5
0 of 5
Input price
$0.15 / M
$0.03 / M
Output price
$0.60 / M
$0.14 / M
Context window
128,000
128,000

Capability indexes

Additional strengths measured across groups of related public benchmarks

1 shared
Index
GPT-4o mini
Nova Micro
11.8#228
9.4#239
Conservative TrueSkill rating · higher is betterHow scores work

Individual benchmarks

9 reported for GPT-4o mini · 17 for Nova Micro

5 shared

GPT-4o mini outperforms in 5 benchmarks (DROP, GPQA, HumanEval, MATH, MMLU), while Nova Micro is better at 0 benchmarks.

GPT-4o mini significantly outperforms across most benchmarks.

Fri Aug 28 2026 • llm-stats.com

Human preference

Blind head-to-head votes and playground preference scores

Pricing Analysis

Price comparison per million tokens

Nova Micro costs less

For input processing, GPT-4o mini ($0.15/1M tokens) is 5.0x more expensive than Nova Micro ($0.03/1M tokens).

For output processing, GPT-4o mini ($0.60/1M tokens) is 4.3x more expensive than Nova Micro ($0.14/1M tokens).

In conclusion, GPT-4o mini is more expensive than Nova Micro.*

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

Lowest available price from all providers
Fri Aug 28 2026 • llm-stats.com
OpenAI
GPT-4o mini
Input tokens$0.15
Output tokens$0.60
Best providerAzure
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

Both models have the same input context window of 128,000 tokens. Nova Micro can generate longer responses up to 128,000 tokens, while GPT-4o mini is limited to 16,384 tokens.

OpenAI
GPT-4o mini
Input128,000 tokens
Output16,384 tokens
Amazon
Nova Micro
Input128,000 tokens
Output128,000 tokens
Fri Aug 28 2026 • llm-stats.com

Input capabilities

Documented input modalities across available providers

GPT-4o mini supports multimodal inputs, whereas Nova Micro does not.

GPT-4o mini can handle both text and other forms of data like images, making it suitable for multimodal applications.

GPT-4o mini

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-4o mini

Proprietary

Closed source

Nova Micro

Proprietary

Closed source

Release Timeline

When each model was launched

GPT-4o mini was released on 2024-07-18, while Nova Micro was released on 2024-11-20.

Nova Micro is 4 months newer than GPT-4o mini.

GPT-4o mini

Jul 18, 2024

2.1 years ago

Nova Micro

Nov 20, 2024

1.8 years ago

4mo newer

Knowledge Cutoff

When training data ends

GPT-4o mini has a documented knowledge cutoff of 2023-10-01, while Nova Micro's cutoff date is not specified.

We can confirm GPT-4o mini's training data extends to 2023-10-01, but cannot make a direct comparison without Nova Micro's cutoff date.

GPT-4o mini

Oct 2023

Nova Micro

Provider Availability

GPT-4o mini is available from Azure. Nova Micro is available from Bedrock.

GPT-4o mini

azure logo
Azure
Input Price:Input: $0.15/1MOutput Price:Output: $0.60/1M

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

Judge for yourself.

Run your own prompts against GPT-4o mini and Nova Micro side-by-side, then vote on the output you prefer.

GPT-4o mini
✓ Preferred
Nova Micro
Open in Playground

FAQ

Common questions about GPT-4o mini vs Nova Micro.

Which is better, GPT-4o mini or Nova Micro?

GPT-4o mini and Nova Micro are closely matched on the LLM Stats Score at 4.2 and 2.9. GPT-4o mini is made by OpenAI and Nova Micro is made by Amazon. The best choice depends on your use case — compare their capability indexes, individual benchmarks, pricing, and limits above.

How does GPT-4o mini compare to Nova Micro in benchmarks?

GPT-4o mini scores HumanEval: 87.2%, MGSM: 87.0%, MMLU: 82.0%, DROP: 79.7%, MATH: 70.2%. 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%.

Is GPT-4o mini cheaper than Nova Micro?

Nova Micro is 5.0x cheaper for input tokens. GPT-4o mini costs $0.15/M input and $0.60/M output via azure. Nova Micro costs $0.03/M input and $0.14/M output via bedrock.

What are the context window sizes for GPT-4o mini and Nova Micro?

GPT-4o mini supports 128K tokens and Nova Micro supports 128K tokens. A larger context window lets you process longer documents, conversations, or codebases in a single request.

What are the main differences between GPT-4o mini and Nova Micro?

Key differences include LLM Stats Score (4.2 vs 2.9), input pricing ($0.15 vs $0.03/M), multimodal support (yes vs no). See the full comparison above for benchmark-by-benchmark results.

Who makes GPT-4o mini and Nova Micro?

GPT-4o mini is developed by OpenAI and Nova Micro is developed by Amazon.