Coverage (30d)
5vs1
This Week
1vs1
Evidence
1 articlesRelationships
1Timeline
Gemini 3 Flash2026-06-27
Scored 78.4 on OSWorld v1, matching GPT-5.5.
Gemini 3 Flash2026-06-25
Scores 78.4 on OSWorld benchmark, matching GPT-5.5 (78.7)
GPT-5.52026-06-12
Open-source MoE model matches GPT-5.5 on agentic coding benchmarks
GPT-5.52026-06-01
GPT-5.5 achieves 16% Pass@8 on MA-ProofBench Level I and 5% on Level II, outperforming most models.
Gemini 3 Flash2026-05-18
Gemini 3.5 Flash generated a full web OS in one shot, demonstrating one-shot generation of complex UI.
Gemini 3 Flash2026-03-29
Research revealed its actual API cost is 22% higher than GPT-5.2 despite a 78% cheaper list price.
Gemini 3 Flash2024-05-05
Gemini 1.5 Flash launched
Ecosystem
GPT-5.5
developedGPT-54 src
developedAnthropic3 src
developedDeepSeek3 src
Gemini 3 Flash
usesComputer Use1 src
competes withGPT-5.51 src
competes withAnthropic Opus 4.81 src
competes withK12-KGraph1 src
deploysChain-of-Thought Prompting1 src
deploysMixture of Experts (Sparse MoE for LLMs)1 src
Benchmarks
osworld
GPT-5.578.4
Gemini 3 Flash—
mmlu pro
GPT-5.5—
Gemini 3 Flash88.6
arena elo
GPT-5.5—
Gemini 3 Flash1473