GPT-4.1 vs OpenAI o3
Benchmarks, API pricing and specs, head to head. Data updated 2026-06-10.
GPT-4.1
OpenAI · Apr 2025
A non-reasoning workhorse with a 1M-token context window, still popular for predictable-latency production APIs.
OpenAI o3
68.9OpenAI · Apr 2025
OpenAI's dedicated 2025 reasoning model that pioneered thinking-with-images and agentic tool use within chain-of-thought.
The verdict
OpenAI o3 wins 3 of the 3 benchmarks these models share, against 0 for GPT-4.1. GPT-4.1 also takes 1M of context versus 200K for OpenAI o3.
Benchmark head-to-head 0–3
Specs & pricing
| GPT-4.1 | OpenAI o3 | |
|---|---|---|
| modhub Index | — | 68.9 |
| Input price / 1M | $2 | $2 |
| Output price / 1M | $8 | $8 |
| Context window | 1M | 200K |
| Max output | 33K | 100K |
| Open weights | no | no |
| Reasoning model | no | yes |
| Multimodal input | text, image | text, image |
| Knowledge cutoff | Jun 2024 | May 2024 |
| Released | Apr 2025 | Apr 2025 |
| Example monthly cost* | $32.00 | $32.00 |
* 10M input + 1.5M output tokens per month at list prices, no caching. Green = better value on that row.
Frequently asked questions
- Which is better, GPT-4.1 or OpenAI o3?
- OpenAI o3 wins 3 of the 3 benchmarks these models share, against 0 for GPT-4.1. GPT-4.1 also takes 1M of context versus 200K for OpenAI o3.
- Which is cheaper, GPT-4.1 or OpenAI o3?
- GPT-4.1 costs $2/$8 per million input/output tokens, while OpenAI o3 costs $2/$8. For a typical workload of 10M input and 1.5M output tokens per month, that's $32.00 versus $32.00.
- Which model is better for coding, GPT-4.1 or OpenAI o3?
- On SWE-bench Verified — the standard agentic-coding benchmark — OpenAI o3 scores 69.1% versus 54.6% for GPT-4.1, making OpenAI o3 the stronger pick for coding agents.