Google: Gemini 3 Flash Preview (batch) vs StepFun: Step 3.7 Flash
Based on weekly OpenRouter usage tracked by AI Tier List, StepFun: Step 3.7 Flash ranks #14 overall — ahead of Google: Gemini 3 Flash Preview (batch) at #16. StepFun: Step 3.7 Flash is cheaper on input tokens at $0.20/1M vs $0.25/1M for Google: Gemini 3 Flash Preview (batch). Google: Gemini 3 Flash Preview (batch) offers the larger context window at 1M tokens.
Google: Gemini 3 Flash Preview (batch) vs StepFun: Step 3.7 Flash: which should you use?
Choose Google: Gemini 3 Flash Preview (batch) if…
- Bigger context window — 1M vs 262K tokens.
- It accepts file, audio input, which StepFun: Step 3.7 Flash does not.
Choose StepFun: Step 3.7 Flash if…
- It sees more real traffic — #14 overall on OpenRouter's weekly ranking, against #16 for Google: Gemini 3 Flash Preview (batch).
- Cheaper to read — $0.20 vs $0.25 per 1M input tokens, which is what dominates long-prompt and RAG workloads.
- Cheaper to write — $1.15 vs $1.50 per 1M output tokens, the line item that decides generation-heavy costs.
- It is the newer model — released May 2026 against Dec 2025.
Spec Comparison
| Spec | Google: Gemini 3 Flash Preview (batch) | StepFun: Step 3.7 Flash |
|---|---|---|
| Author | stepfun | |
| Input price (per 1M tokens) | $0.25 | $0.20 |
| Output price (per 1M tokens) | $1.50 | $1.15 |
| Context window | 1M | 262K |
| Input modalities | text, image, file, audio, video | text, image, video |
| Output modalities | text | text |
| AA Intelligence | — | 30.9 |
| AA Coding | — | 39.6 |
| AA Agentic | — | 21.7 |
| Released | Dec 2025 | May 2026 |
What Google: Gemini 3 Flash Preview (batch) and StepFun: Step 3.7 Flash actually cost to run
On a read-heavy job — 1M tokens in, 100K out — Google: Gemini 3 Flash Preview (batch) costs $0.40 and StepFun: Step 3.7 Flash costs $0.32.
Flip the shape — 100K in, 1M out — and it becomes $1.52 for Google: Gemini 3 Flash Preview (batch) versus $1.17 for StepFun: Step 3.7 Flash.
Both figures are the published per-token rates multiplied out; caching and batch discounts are not included.
Usage Rank by Task
| Task | Google: Gemini 3 Flash Preview (batch) | StepFun: Step 3.7 Flash |
|---|---|---|
| Overall | #16 | #14 |
| Memory Extraction | — | #5 |
| Tool Dispatch | — | #8 |
| Agent Workflows | — | #8 |
| Classification & Tagging | #8 | — |
| Debugging | — | #9 |
| DevOps Config | — | #9 |
| File Read/Write | — | #8 |
| Frontend UI | — | #8 |
| Code Implementation | — | #10 |
| Repo Analysis | — | #9 |
| Code Review & Security | — | #10 |
| Shell Execution | — | #8 |
| SQL & Database | — | #8 |
| Content Writing | #9 | — |
About Google: Gemini 3 Flash Preview (batch) and StepFun: Step 3.7 Flash
Google: Gemini 3 Flash Preview (batch)
Built by google · released Dec 2025 · 1M-token context
Gemini 3 Flash Preview is a high speed, high value thinking model designed for agentic workflows, multi turn chat, and coding assistance. It delivers near Pro level reasoning and tool...
StepFun: Step 3.7 Flash
Built by stepfun · released May 2026 · 262K-token context
Step 3.7 Flash is StepFun's latest high-efficiency multimodal Mixture-of-Experts model. It pairs a 196B-parameter language backbone with a vision encoder for native image and video understanding, activating roughly 11B parameters...
Related comparisons
- Google: Gemini 3 Flash Preview (batch) vs DeepSeek: DeepSeek V4 Flash 0731
- Google: Gemini 3 Flash Preview (batch) vs Tencent: Hy3
- Google: Gemini 3 Flash Preview (batch) vs OpenAI: GPT-5.6 Luna (batch)
- StepFun: Step 3.7 Flash vs DeepSeek: DeepSeek V4 Flash 0731
- StepFun: Step 3.7 Flash vs Tencent: Hy3
- StepFun: Step 3.7 Flash vs OpenAI: GPT-5.6 Luna (batch)
Get notified when Google: Gemini 3 Flash Preview (batch) or StepFun: Step 3.7 Flash moves
Usage ranks and prices refresh weekly. We email you when they move — once a week, no spam.
FAQ
Which is better, Google: Gemini 3 Flash Preview (batch) or StepFun: Step 3.7 Flash?
Based on weekly OpenRouter usage tracked by AI Tier List, StepFun: Step 3.7 Flash ranks #14 overall — ahead of Google: Gemini 3 Flash Preview (batch) at #16. StepFun: Step 3.7 Flash is cheaper on input tokens at $0.20/1M vs $0.25/1M for Google: Gemini 3 Flash Preview (batch). Google: Gemini 3 Flash Preview (batch) offers the larger context window at 1M tokens.
Which is cheaper, Google: Gemini 3 Flash Preview (batch) or StepFun: Step 3.7 Flash?
StepFun: Step 3.7 Flash is cheaper at $0.20 per 1M input tokens. Output pricing: Google: Gemini 3 Flash Preview (batch) $1.50, StepFun: Step 3.7 Flash $1.15.
Is StepFun: Step 3.7 Flash still ahead of Google: Gemini 3 Flash Preview (batch) right now?
Yes. For the week of 2026-08-10, StepFun: Step 3.7 Flash ranks #14 overall on OpenRouter usage against #16 for Google: Gemini 3 Flash Preview (batch). Ranks refresh weekly, and the verdict on this page flips if they cross.
Usage ranks are weekly data aggregated by OpenRouter. Prices are USD per 1M tokens.