OpenAI: GPT-4.1 vs OpenAI: GPT-5

Side-by-side specs, pricing, and benchmarks. Pick a winner for your team's use case.

Use it in a Space

Spin up a Switchy Space with either model — your whole team @-mentions it with shared context, pooled credits, one memory.

Pricing
OpenAI: GPT-4.1OpenAI: GPT-5
Input $/Mtok$2.00 · $1.25
Output $/Mtok$8.00 · $10.00
Context window
OpenAI: GPT-4.1OpenAI: GPT-5
OpenAI: GPT-4.11048K tokens
OpenAI: GPT-5400K tokens

Bars use square-root scaling so a 1M-token window doesn't crush a 200K one.

Release timeline
OpenAI: GPT-4.1OpenAI: GPT-5
2025-04-14
2025-08-07
2025-03-15today

OpenAI: GPT-4.1

Provider
openai
Context
1048k
Input $/Mtok
$2.00
Output $/Mtok
$8.00
Max output
Modalities
image, text, file

OpenAI: GPT-5

Provider
openai
Context
400k
Input $/Mtok
$1.25
Output $/Mtok
$10.00
Max output
128000
Modalities
text, image, file

Price delta

OpenAI: GPT-4.1 is $0.75/Mtok more expensive than OpenAI: GPT-5 on input. Output: OpenAI: GPT-4.1 is $2.00/Mtok cheaper than OpenAI: GPT-5.

Which to pick

Pick OpenAI: GPT-4.1 when you need its specific strengths (see its verdict). Pick OpenAI: GPT-5 for lower cost per token (full verdict).

Data last verified 3 hours ago.Sources aggregated hourly to weekly. See docs/architecture/model-directory.md.