Qwen3
Qwen3 introduced open-weight dense and mixture-of-experts models with thinking and non-thinking modes.
For buildersTest whether extra reasoning improves accuracy enough to justify added latency.
Updated
AI models released in April 2025
7 model releases from 6 providers in April 2025, with announcement dates, official sources, and practical notes for builders.
Releases this month
Dates refer to the linked announcement or release milestone. Previews are labeled in the entries; historical availability and pricing may have changed.
Release details
Adobe Firefly Image 4 and Image 4 Ultra
Adobe released Image 4 and Image 4 Ultra for image generation, with Ultra focused on complex scenes and detail.
For buildersCompare simpler asset production with compositions involving several subjects.
Gemini 2.5 Flash (preview)
A preview of Gemini 2.5 Flash introduced controllable thinking budgets while prioritizing speed and cost.
For buildersThinking budgets let you balance latency and reasoning effort for each type of request.
OpenAI o3 and o4-mini
The new reasoning models combined extended thinking with tool use and visual analysis.
For buildersA reasoning workflow can inspect an image, run calculations, and gather evidence before returning an answer.
GPT-4.1, mini, and nano
Three API models launched with improved coding and instruction following, and context windows up to one million tokens.
For buildersDifferent model sizes let an app route simple extraction and complex code work to different cost tiers.
Llama 4 Scout and Maverick
Meta released two open-weight, natively multimodal mixture-of-experts models. Behemoth was described but not released.
For buildersMultimodal open weights offer another route to custom document and image-understanding systems.
Midjourney V7
V7 improved image quality and prompt interpretation.
For buildersExplore a consistent set of visual concepts from reference images.