Model Comparison

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

GPT-5.4 significantly outperforms across most benchmarks. GPT-4.1 is 1.6x cheaper per token.

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

GPT-5.4 (by OpenAI) and GPT-4.1 (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 6 benchmarks (GPQA, Graphwalks BFS <128k, Graphwalks BFS >128k, Graphwalks parents <128k, Graphwalks parents >128k, Humanity's Last Exam), while GPT-4.1 is better at 0 benchmarks. GPT-5.4 significantly outperforms across most benchmarks.

On price, GPT-4.1 is roughly 1.6x cheaper per token on a blended 3:1 input/output basis, which adds up quickly at production volume.

GPT-4.1 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 6 of 6 shared benchmarks
  • you want the most recent training data — it shipped Mar 2026

Choose GPT-4.1 if…

  • cost matters — it's about 1.6x cheaper per token
  • you process long inputs — it offers a 1,047,576 token context window

Performance Benchmarks

Comparative analysis across standard metrics

6 benchmarks

GPT-5.4 outperforms in 6 benchmarks (GPQA, Graphwalks BFS <128k, Graphwalks BFS >128k, Graphwalks parents <128k, Graphwalks parents >128k, Humanity's Last Exam), while GPT-4.1 is better at 0 benchmarks.

GPT-5.4 significantly outperforms across most benchmarks.

Sat Jun 06 2026 • llm-stats.com

Arena Performance

Human preference votes

Pricing Analysis

Price comparison per million tokens

GPT-4.1 costs less

For input processing, GPT-5.4 ($2.50/1M tokens) is 1.3x more expensive than GPT-4.1 ($2.00/1M tokens).

For output processing, GPT-5.4 ($15.00/1M tokens) is 1.9x more expensive than GPT-4.1 ($8.00/1M tokens).

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

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

Lowest available price from all providers
Sat Jun 06 2026 • llm-stats.com
OpenAI
GPT-5.4
Input tokens$2.50
Output tokens$15.00
Best providerOpenAI
OpenAI
GPT-4.1
Input tokens$2.00
Output tokens$8.00
Best providerOpenAI
Notice missing or incorrect data?Start an Issue

Context Window

Maximum input and output token capacity

GPT-4.1 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 is limited to 32,768 tokens.

OpenAI
GPT-5.4
Input1,000,000 tokens
Output128,000 tokens
OpenAI
GPT-4.1
Input1,047,576 tokens
Output32,768 tokens
Sat Jun 06 2026 • llm-stats.com

Input Capabilities

Supported data types and modalities

Both GPT-5.4 and GPT-4.1 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

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

Proprietary

Closed source

Release Timeline

When each model was launched

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

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

GPT-5.4

Mar 5, 2026

3 months ago

10mo newer
GPT-4.1

Apr 14, 2025

1.1 years ago

Knowledge Cutoff

When training data ends

GPT-4.1 has a documented knowledge cutoff of 2024-06-01, while GPT-5.4's cutoff date is not specified.

We can confirm GPT-4.1's training data extends to 2024-06-01, but cannot make a direct comparison without GPT-5.4's cutoff date.

GPT-5.4

GPT-4.1

Jun 2024

Provider Availability

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

GPT-5.4

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

GPT-4.1

openai logo
OpenAI
Input Price:Input: $2.00/1MOutput Price:Output: $8.00/1M
* Prices shown are per million tokens

Outputs Comparison

Notice missing or incorrect data?Start an Issue discussion

Key Takeaways

Higher GPQA score (92.8% vs 66.3%)
Higher Graphwalks BFS <128k score (93.0% vs 61.7%)
Higher Graphwalks BFS >128k score (21.4% vs 19.0%)
Higher Graphwalks parents <128k score (89.8% vs 58.0%)
Higher Graphwalks parents >128k score (32.4% vs 25.0%)
Higher Humanity's Last Exam score (39.8% vs 5.4%)
Larger context window (1,047,576 tokens)
Less expensive input tokens
Less expensive output tokens
OpenAIGPT-5.4
OpenAIGPT-4.1

Detailed Comparison

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

FAQ

Common questions about GPT-5.4 vs GPT-4.1.

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

GPT-5.4 significantly outperforms across most benchmarks. GPT-5.4 is made by OpenAI and GPT-4.1 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 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 scores MMLU: 90.2%, CharXiv-D: 87.9%, IFEval: 87.4%, MMMLU: 87.3%, MMMU: 74.8%.

Is GPT-5.4 cheaper than GPT-4.1?

GPT-4.1 is 1.3x cheaper for input tokens. GPT-5.4 costs $2.50/M input and $15.00/M output via openai. GPT-4.1 costs $2.00/M input and $8.00/M output via openai.

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

GPT-5.4 supports 1.0M tokens and GPT-4.1 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?

Key differences include context window (1.0M vs 1.0M), input pricing ($2.50 vs $2.00/M). See the full comparison above for benchmark-by-benchmark results.