GPT-4.1
OpenAI
OpenAI's April 2025 workhorse API model, a major step up over GPT-4o on coding, instruction following, and long-context comprehension, with a 1M-token context window. GPT-4.1 is ~26% cheaper than GPT-4o for median queries and is offered alongside smaller mini and nano tiers.
Strengths
- Major coding and instruction-following gains over GPT-4o
- 1M-token context window with improved long-context comprehension
- ~26% cheaper than GPT-4o for median queries
- Reliable API workhorse for production applications
- Vision input alongside text
Caveats
- Below the o-series and GPT-5.x on the hardest reasoning tasks
- 32K max output smaller than some newer models
- Superseded at the frontier by the GPT-5 generation
- Vendor
- OpenAI
- Context Window
- 1,000,000 tokens
- Max Output
- 32,768 tokens
- License
- Proprietary
- Release Date
- 2025-04-14
- Modalities
- textimage
Capabilities
Vision
Audio
Video
Tool Use
Resources
Pricing
$2 per 1M input tokens, $8 per 1M output tokens - ~26% cheaper than GPT-4o for median queries. 1M-token context window.