Claude 3 Haiku
The fastest, most affordable model in its intelligence class, in the API and for Claude Pro users.
2024
Gemini 1.5 Flash
A lighter, faster model with a 1 million token context window; 1.5 Pro's window grows to 2 million.
GPT-4o mini
A smaller, cost-efficient model in the GPT-4o family.
o1-mini
A cost-efficient reasoning model alongside o1.
Upgraded Claude 3.5 Sonnet and 3.5 Haiku
A refreshed, more capable Claude 3.5 Sonnet and a new Claude 3.5 Haiku model.
Gemini 2.0 Flash
First Gemini 2.0 model, with native image and audio output and tool use; beats 1.5 Pro at twice the speed.
2025
OpenAI o3-mini
A new small model in the reasoning line.
Gemini 2.0 Flash, Flash-Lite and Pro
2.0 Flash is generally available, with 2.0 Pro Experimental (2 million tokens) and Flash-Lite in preview.
Gemini 2.5 Flash
Preview of a hybrid reasoning model with thinking that can be switched on or off, in the Gemini API and the Gemini app.
Gemini 2.5 GA and 2.5 Flash-Lite
Gemini 2.5 Flash and Pro become stable and generally available, and 2.5 Flash-Lite launches in preview.
Claude Haiku 4.5
A small model with coding performance similar to Sonnet 4 at one-third the cost and over twice the speed.
Gemini 3 Flash
Fast, lower-cost Gemini 3 model that surpasses 2.5 Pro on many benchmarks, at under a quarter the cost of 3 Pro.
2026
Gemini 3.1 Flash-Lite
Fastest, most cost-efficient Gemini 3 series model, in preview in the Gemini API and Vertex AI.
GPT-5.4 mini and nano
Smaller, faster GPT-5.4 versions for coding, tool use and high-volume API and sub-agent workloads.
Gemini 3.5 Flash
First Gemini 3.5 model, Google's strongest for agents and coding, in the Gemini app, AI Mode and the API.
Gemini 3.6 Flash and 3.5 Flash-Lite
3.6 Flash improves coding and knowledge work with 17% fewer output tokens; 3.5 Flash-Lite is the fastest 3.5.
Gemini 3.7 Flash
Flash model for coding and agents, with an introductory price of $0.75/1M input and $3.75/1M output tokens.
Gemini 3.8 Flash and 3.8 Flash Cyber
3.8 Flash improves coding and reasoning at 3.7's price; 3.8 Flash Cyber goes to trusted defenders via Fairwind.
Claude Haiku 5.5
Fastest small Claude model, built for high-volume work like summarization, subagents and browser use.
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