modelfax
Compare/Gemini 2.5 Flash vs Step 3.5 Flash

Gemini 2.5 Flash vs Step 3.5 Flash

GoogleActive

Gemini 2.5 Flash

$0.09 / $0.71 · 1,065,535 ctx · 33 providers
StepFunActive

Step 3.5 Flash

$0.09 / $0.30 · 262,144 ctx · 16 providers
01Differences

At a glance

Computed automatically from tracked data.

• Gemini 2.5 Flash's output price is 58% lower than Step 3.5 Flash's ($0.71 vs $0.30 per 1M).
• Gemini 2.5 Flash has a 4.1× larger context window (1,065,535 vs 262,144 tokens).
• They differ in open weights (Gemini 2.5 Flash: No, Step 3.5 Flash: Yes).
02Specs

Side by side

Gemini 2.5 FlashStep 3.5 Flash
Input / 1M$0.09$0.09
Output / 1M$0.71$0.30
Context1,065,535262,144
Max output65,536262,114
Providers3316
Released2025-06-172026-01-29
03Prices

Common providers

ProviderGemini 2.5 FlashStep 3.5 Flash
kilo$0.30 / $2.50$0.10 / $0.30
nano-gpt$0.30 / $2.50$0.10 / $0.30
openrouter$0.30 / $2.50$0.10 / $0.30
qiniu-aiNot listed / Not listedNot listed / Not listed
vercel$0.30 / $2.50$0.09 / $0.30
zenmux$0.30 / $2.50$0.10 / $0.30
04History

Recent changes

Gemini 2.5 Flash
2026-09-05 — Context nano-gpt
2026-09-02 — Context cortecs
2026-08-27 — Price up requesty
2026-08-27 — Price up requesty
2026-08-20 — Added llmgateway-providers
Step 3.5 Flash
2026-09-03 — Context nano-gpt
2026-09-03 — Context nano-gpt
2026-08-14 — Added edenai
2026-08-03 — Price cut nano-gpt
2026-08-03 — Price cut nano-gpt
as of 2026-09-16
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