GPT 5.6 Luna vs Gemini 3.5 Flash vs Claude Haiku 4.5
Fast models carry most day-to-day work. These three trade a little peak capability for speed and price; the columns show exactly how much of each.Last reviewed 2026-07-17.
GPT 5.6 Luna vs Gemini 3.5 Flash vs Claude Haiku 4.5
OpenAI's fastest, most affordable GPT-5.6 tier for high-volume, latency-sensitive work.
Google's high-speed thinking model for agentic workflows, chat, and coding.
Fast and efficient with near-frontier intelligence.
No captured outputs for these models yet.
Frequently asked
Which of GPT 5.6 Luna, Gemini 3.5 Flash, and Claude Haiku 4.5 is the cheapest?
Claude Haiku 4.5 has the lowest blended list price. Per 1M tokens: GPT 5.6 Luna at $1.00 in / $6.00 out; Gemini 3.5 Flash at $1.50 in / $9.00 out; Claude Haiku 4.5 at $1.00 in / $5.00 out.
Which of GPT 5.6 Luna, Gemini 3.5 Flash, and Claude Haiku 4.5 has the largest context window?
GPT 5.6 Luna leads with 1.1M tokens. The other two: Gemini 3.5 Flash at 1M, Claude Haiku 4.5 at 200K.
Do GPT 5.6 Luna, Gemini 3.5 Flash, and Claude Haiku 4.5 support image input?
Yes, all three accept images.
Where can I run GPT 5.6 Luna, Gemini 3.5 Flash, and Claude Haiku 4.5 side by side?
This idapt comparison runs all three in aligned columns: the same prompt, plus benchmarks, specs, and prices per model. Open any model in chat from its column to keep working with it.