Gemini 2.5 Flash Preview (Sep '25)
Sep 2025
Gemini 2.5 Flash Preview (Sep '25)Compare inon
Gemini 2.5 Flash Preview (Sep '25) measured on 2 of 15 Vision & Documents benchmarks2
BenchmarkByScoreRank
No benchmark matches
—per task?
not available via APIprice
—output speed?
1Mcontext
Alternatives?
ModelScoreCostPer taskWhat changes
BetterGPT-6 Lunalow+8%—$0.005Function calling only with none · Chat Completions+3
OpenMuse Spark Openxhigh+15%—$0.84Reasoning off leaves output unchanged · Self-hosted / llama.cpp+1BetterGPT-5.6 Lunalow+5%—$0.01
BetterMiMo v2.5thinkingOpen+7%—$0.019BetterMuse Glimmer 30BhighOpen+6%—$0.058Context: 1M → 131KModelScoreCostPer taskWhat changes
Nothing here yet.
ModelScoreCostPer taskWhat changes
GPT-6 Lunalow+8%—$0.005Function calling only with none · Chat Completions+3GPT-5.6 Lunalow+5%—$0.01MiMo v2.5thinkingOpen+7%—$0.019Muse Glimmer 30BhighOpen+6%—$0.058Context: 1M → 131KGemini 3.1 Flash Litehigh+8%—$0.06ModelScoreCostPer taskWhat changes
Muse Spark OpenxhighOpen+15%—$0.84Reasoning off leaves output unchanged · Self-hosted / llama.cpp+1
DeepSeek V4.1 Flash 1017maxOpen+15%—$0.26Pass back reasoning_content · Chat Completions+4
Kimi K3maxOpen+15%—$2.00Sampling parameters are fixed+3
Qwen3.8 FlashthinkingOpen+14%—$0.37Context: 1M → 262K+6Kimi K2.6thinkingOpen+13%—$0.80Context: 1M → 256KModelScoreCostPer taskWhat changes
Gemini 3.8 Flashmedium+20%—*$0.93Sampling parameters are ignored+1Gemini 3.6 Flashhigh+19%—*$1.60Gemini 3.1 Pro Previewthinking+17%—$1.30Cannot use both thinking controlsGemini 3.5 Flash Litehigh+13%—$0.19Gemini 3 Flash Previewnon-thinking+12%—$0.50 / $3Gemini 3.1 Flash Litehigh+8%—$0.06Gemini 2.5 Prothinking+7%—$0.33Gemma 4 31BthinkingOpen+5%—$0.10 / $0.34Context: 1M → 256KAll Google models →History
3 versionsBenchmarks
in Vision & DocumentsMMMU-Pro (vision)70.2#68
FAQ
How much does Gemini 2.5 Flash Preview (Sep '25) cost?›
There is no per-unit API price: not available via API.
Is Gemini 2.5 Flash Preview (Sep '25) free to use?›
There is no free API.
How good is Gemini 2.5 Flash Preview (Sep '25), and what is it best at?›
#207 of 334 in Chat & Knowledge, #110 of 239 in Coding, #151 of 242 in Agents & Tool Use, #85 of 195 in Writing & Language, #67 of 124 in Vision & Documents.
Is Gemini 2.5 Flash Preview (Sep '25) better than GPT-5.4 Mini?›
On MMMU-Pro (vision), Gemini 2.5 Flash Preview (Sep '25) scores 73.1 vs 73.3 — about the same.
What is the context window of Gemini 2.5 Flash Preview (Sep '25)?›
1M tokens.
When was Gemini 2.5 Flash Preview (Sep '25) released? Is there a newer version?›
Released 2025-09-25. It is the current version in its line.
Is Gemini 2.5 Flash Preview (Sep '25) open source?›
No, Gemini 2.5 Flash Preview (Sep '25) is a closed model available through an API. The closest open-weights option here is Muse Spark Open.
Can Gemini 2.5 Flash Preview (Sep '25) read images?›
It accepts text and images, PDF files, audio, video as input.
What is Gemini 2.5 Flash Preview (Sep '25)?›
Gemini 2.5 Flash Preview (Sep '25) is a closed language model from Google, released Sep 2025.
What are the best alternatives to Gemini 2.5 Flash Preview (Sep '25)?›
GPT-6 Luna (better), Muse Spark Open (open weights).