Model Comparison
GPT-5.4 vs Nova MicroWhich is better in 2026?
GPT-5.4 significantly outperforms across most benchmarks. Nova Micro is 97.8x cheaper per token.
Verdict: GPT-5.4 vs Nova Micro — which is better?
GPT-5.4 (by OpenAI) and Nova Micro (by Amazon) are two of the AI models people compare most. Here is how they stack up on benchmarks, price and capabilities, and which one to pick in 2026.
GPT-5.4 outperforms in 1 benchmarks (GPQA), while Nova Micro is better at 0 benchmarks. GPT-5.4 significantly outperforms across most benchmarks.
On price, Nova Micro is roughly 97.8x cheaper per token on a blended 3:1 input/output basis, which adds up quickly at production volume.
GPT-5.4 also accepts a larger context window (1,000,000 input tokens), making it the stronger choice for long documents and large codebases.
Choose GPT-5.4 if…
- you want the strongest raw capability — it leads on 1 of 1 shared benchmarks
- you process long inputs — it offers a 1,000,000 token context window
- you want the most recent training data — it shipped Mar 2026
Choose Nova Micro if…
- cost matters — it's about 97.8x cheaper per token
Performance Benchmarks
Comparative analysis across standard metrics
GPT-5.4 outperforms in 1 benchmarks (GPQA), while Nova Micro is better at 0 benchmarks.
GPT-5.4 significantly outperforms across most benchmarks.
Arena Performance
Human preference votes
Pricing Analysis
Price comparison per million tokens
For input processing, GPT-5.4 ($2.50/1M tokens) is 83.3x more expensive than Nova Micro ($0.03/1M tokens).
For output processing, GPT-5.4 ($15.00/1M tokens) is 107.1x more expensive than Nova Micro ($0.14/1M tokens).
In conclusion, GPT-5.4 is more expensive than Nova Micro.*
* Using a 3:1 ratio of input to output tokens
Context Window
Maximum input and output token capacity
GPT-5.4 accepts 1,000,000 input tokens compared to Nova Micro's 128,000 tokens. Both models can generate responses up to 128,000 tokens.
Input Capabilities
Supported data types and modalities
GPT-5.4 supports multimodal inputs, whereas Nova Micro does not.
GPT-5.4 can handle both text and other forms of data like images, making it suitable for multimodal applications.
GPT-5.4
Nova Micro
License
Usage and distribution terms
Both models are licensed under proprietary licenses.
Both models have usage restrictions defined by their respective organizations.
Proprietary
Closed source
Proprietary
Closed source
Release Timeline
When each model was launched
GPT-5.4 was released on 2026-03-05, while Nova Micro was released on 2024-11-20.
GPT-5.4 is 16 months newer than Nova Micro.
Mar 5, 2026
3 months ago
1.3yr newerNov 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.
Provider Availability
GPT-5.4 is available from OpenAI. Nova Micro is available from Bedrock.
GPT-5.4
Nova Micro
Outputs Comparison
Key Takeaways
GPT-5.4
View detailsOpenAI
Nova Micro
View detailsAmazon
Detailed Comparison
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FAQ
Common questions about GPT-5.4 vs Nova Micro.