Model Comparison

GPT-5.4 vs GPT-4.1 nanoWhich is better in 2026?

GPT-5.4 significantly outperforms across most benchmarks. GPT-4.1 nano is 32.1x cheaper per token.

Verdict: GPT-5.4 vs GPT-4.1 nano — which is better?

GPT-5.4 (by OpenAI) and GPT-4.1 nano (by OpenAI) 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 5 benchmarks (GPQA, Graphwalks BFS <128k, Graphwalks BFS >128k, Graphwalks parents <128k, Graphwalks parents >128k), while GPT-4.1 nano is better at 0 benchmarks. GPT-5.4 significantly outperforms across most benchmarks.

On price, GPT-4.1 nano is roughly 32.1x cheaper per token on a blended 3:1 input/output basis, which adds up quickly at production volume.

GPT-4.1 nano also accepts a larger context window (1,047,576 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 5 of 5 shared benchmarks
  • you want the most recent training data — it shipped Mar 2026

Choose GPT-4.1 nano if…

  • cost matters — it's about 32.1x cheaper per token
  • you process long inputs — it offers a 1,047,576 token context window
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Performance Benchmarks

Comparative analysis across standard metrics

5 benchmarks

GPT-5.4 outperforms in 5 benchmarks (GPQA, Graphwalks BFS <128k, Graphwalks BFS >128k, Graphwalks parents <128k, Graphwalks parents >128k), while GPT-4.1 nano is better at 0 benchmarks.

GPT-5.4 significantly outperforms across most benchmarks.

Sun Jun 07 2026 • llm-stats.com

Arena Performance

Human preference votes

Pricing Analysis

Price comparison per million tokens

GPT-4.1 nano costs less

For input processing, GPT-5.4 ($2.50/1M tokens) is 25.0x more expensive than GPT-4.1 nano ($0.10/1M tokens).

For output processing, GPT-5.4 ($15.00/1M tokens) is 37.5x more expensive than GPT-4.1 nano ($0.40/1M tokens).

In conclusion, GPT-5.4 is more expensive than GPT-4.1 nano.*

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

Lowest available price from all providers
Sun Jun 07 2026 • llm-stats.com
OpenAI
GPT-5.4
Input tokens$2.50
Output tokens$15.00
Best providerOpenAI
OpenAI
GPT-4.1 nano
Input tokens$0.10
Output tokens$0.40
Best providerOpenAI
Notice missing or incorrect data?Start an Issue→

Context Window

Maximum input and output token capacity

GPT-4.1 nano accepts 1,047,576 input tokens compared to GPT-5.4's 1,000,000 tokens. GPT-5.4 can generate longer responses up to 128,000 tokens, while GPT-4.1 nano is limited to 32,768 tokens.

OpenAI
GPT-5.4
Input1,000,000 tokens
Output128,000 tokens
OpenAI
GPT-4.1 nano
Input1,047,576 tokens
Output32,768 tokens
Sun Jun 07 2026 • llm-stats.com

Input Capabilities

Supported data types and modalities

Both GPT-5.4 and GPT-4.1 nano support multimodal inputs.

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

GPT-5.4

Text
Images
Audio
Video

GPT-4.1 nano

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-5.4

Proprietary

Closed source

GPT-4.1 nano

Proprietary

Closed source

Release Timeline

When each model was launched

GPT-5.4 was released on 2026-03-05, while GPT-4.1 nano was released on 2025-04-14.

GPT-5.4 is 11 months newer than GPT-4.1 nano.

GPT-5.4

Mar 5, 2026

3 months ago

10mo newer
GPT-4.1 nano

Apr 14, 2025

1.1 years ago

Knowledge Cutoff

When training data ends

GPT-4.1 nano has a documented knowledge cutoff of 2024-05-31, while GPT-5.4's cutoff date is not specified.

We can confirm GPT-4.1 nano's training data extends to 2024-05-31, but cannot make a direct comparison without GPT-5.4's cutoff date.

GPT-5.4

—

GPT-4.1 nano

May 2024

Provider Availability

GPT-5.4 is available from OpenAI. GPT-4.1 nano is available from OpenAI.

GPT-5.4

openai logo
OpenAI
Input Price:Input: $2.50/1MOutput Price:Output: $15.00/1M

GPT-4.1 nano

openai logo
OpenAI
Input Price:Input: $0.10/1MOutput Price:Output: $0.40/1M
* Prices shown are per million tokens

Outputs Comparison

Notice missing or incorrect data?Start an Issue discussion→

Key Takeaways

OpenAI
Higher GPQA score (92.8% vs 50.3%)
Higher Graphwalks BFS <128k score (93.0% vs 25.0%)
Higher Graphwalks BFS >128k score (21.4% vs 2.9%)
Higher Graphwalks parents <128k score (89.8% vs 9.4%)
Higher Graphwalks parents >128k score (32.4% vs 5.6%)
OpenAI
Larger context window (1,047,576 tokens)
Less expensive input tokens
Less expensive output tokens

Detailed Comparison

AI Model Comparison Table
Feature
OpenAI
GPT-5.4
OpenAI
GPT-4.1 nano

FAQ

Common questions about GPT-5.4 vs GPT-4.1 nano.

Which is better, GPT-5.4 or GPT-4.1 nano?

GPT-5.4 significantly outperforms across most benchmarks. GPT-5.4 is made by OpenAI and GPT-4.1 nano is made by OpenAI. The best choice depends on your use case — compare their benchmark scores, pricing, and capabilities above.

How does GPT-5.4 compare to GPT-4.1 nano in benchmarks?

GPT-5.4 scores Tau2 Telecom: 98.9%, ARC-AGI: 93.7%, Graphwalks BFS <128k: 93.0%, GPQA: 92.8%, Graphwalks parents <128k: 89.8%. GPT-4.1 nano scores MMLU: 80.1%, IFEval: 74.5%, CharXiv-D: 73.9%, MMMLU: 66.9%, Multi-IF: 57.2%.

Is GPT-5.4 cheaper than GPT-4.1 nano?

GPT-4.1 nano is 25.0x cheaper for input tokens. GPT-5.4 costs $2.50/M input and $15.00/M output via openai. GPT-4.1 nano costs $0.10/M input and $0.40/M output via openai.

What are the context window sizes for GPT-5.4 and GPT-4.1 nano?

GPT-5.4 supports 1.0M tokens and GPT-4.1 nano supports 1.0M tokens. A larger context window lets you process longer documents, conversations, or codebases in a single request.

What are the main differences between GPT-5.4 and GPT-4.1 nano?

Key differences include context window (1.0M vs 1.0M), input pricing ($2.50 vs $0.10/M). See the full comparison above for benchmark-by-benchmark results.

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