Choose Google: Gemini 3.8 Flash (batch) if…
- you need built-in web search — to answer from live web results; TypeSafe: Jev Router does not advertise it
Google: Gemini 3.8 Flash (batch) vs TypeSafe: Jev Router
Neither wins outright: Google: Gemini 3.8 Flash (batch) is the pick when you need built-in web search, TypeSafe: Jev Router when cost matters at scale.
Key numbers
| Spec | Google: Gemini 3.8 Flash (batch) | TypeSafe: Jev Router |
|---|---|---|
| Provider | Typesafe | |
| Input price (per 1M tokens) | $0.38 | $-1000000.0000 |
| Output price (per 1M tokens) | $1.88 | $-1000000.0000 |
| Blended price (3:1 input/output) | $0.75 | $-1000000.0000 |
| Cheaper than … of all models we track | 45% | 99% |
| Context window | 1.0M tokens (~1,573 pages) | 1M tokens (~1,500 pages) |
| Larger context than … of all models | 80% | 69% |
| Max output per response | 66K tokens (~49,200 words) | n/a |
| Input types | text, image, video, file, audio | audio, file, image, text, video |
| Output types | text | text |
| Free variant | No | No |
| Listed since | 2026-09-02 | 2026-09-25 |
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What it costs for real workloads
Monthly cost at list price for five common workloads. Token counts per unit are stated so you can scale them to your own traffic. A workload that does not fit a model's context window is marked rather than priced.
| Workload (per month) | Google: Gemini 3.8 Flash (batch) | TypeSafe: Jev Router | Difference |
|---|---|---|---|
| Customer-support chatbot 50,000 conversations — each a 6-turn conversation (1,500 in / 400 out tokens) | $65.63 | $-95000000.0000 | TypeSafe: Jev Router saves $95,000,066 |
| RAG search over documents 20,000 questions — each a question answered from ~8 retrieved passages (6,000 in / 500 out tokens) | $63.75 | $-130000000.0000 | TypeSafe: Jev Router saves $130,000,064 |
| Coding / tool-using agent 2,000 tasks — each a multi-step task with tool calls and file context (60,000 in / 6,000 out tokens) | $67.50 | $-132000000.0000 | TypeSafe: Jev Router saves $132,000,068 |
| Batch summarisation 10,000 documents — each a 6,000-word report summarised to a page (8,000 in / 600 out tokens) | $41.25 | $-86000000.0000 | TypeSafe: Jev Router saves $86,000,041 |
| Long-document analysis 500 documents — each a 150-page contract or codebase read in one pass (100,000 in / 2,000 out tokens) | $20.63 | $-51000000.0000 | TypeSafe: Jev Router saves $51,000,021 |
Capabilities side by side
| Capability | Google: Gemini 3.8 Flash (batch) | TypeSafe: Jev Router | What it lets you do |
|---|---|---|---|
| Tool / function calling | ✓ Yes | ✓ Yes | call your APIs and run agent loops |
| Structured output (JSON schema) | ✓ Yes | ✓ Yes | return JSON that validates against your schema |
| Reasoning / thinking mode | ✓ Yes | ✓ Yes | spend extra tokens thinking before answering hard problems |
| Image input | ✓ Yes | ✓ Yes | read screenshots, charts and scanned pages |
| Audio input | ✓ Yes | ✓ Yes | take speech or audio directly |
| File / PDF input | ✓ Yes | ✓ Yes | accept documents without your own parsing step |
| Image output | — | — | generate images, not just text |
| Built-in web search | ✓ Yes | — | answer from live web results |
| Seed (reproducible sampling) | ✓ Yes | ✓ Yes | repeat a generation for tests and evals |
| Log-probabilities | — | ✓ Yes | read token confidence for classification and scoring |
From each model's published parameters and input/output types. “—” means not advertised, not proven absent.
Price history
- Google: Gemini 3.8 Flash (batch): price unchanged since we started tracking it on 2026-09-03.
- TypeSafe: Jev Router: price unchanged since we started tracking it on 2026-09-26.
Which should you choose?
Choose TypeSafe: Jev Router if…
- cost matters at scale — it is 133333433% cheaper on a typical 3:1 input/output mix ($-95000000.0000 vs $65.63 a month for 50,000 support chats)
- you need log-probabilities — to read token confidence for classification and scoring; Google: Gemini 3.8 Flash (batch) does not advertise it
Frequently asked questions
Is Google: Gemini 3.8 Flash (batch) better than TypeSafe: Jev Router?
Neither wins outright: Google: Gemini 3.8 Flash (batch) is the pick when you need built-in web search, TypeSafe: Jev Router when cost matters at scale. In short: Google: Gemini 3.8 Flash (batch) when you need built-in web search; TypeSafe: Jev Router when cost matters at scale, you need log-probabilities.
Which is cheaper, Google: Gemini 3.8 Flash (batch) or TypeSafe: Jev Router?
TypeSafe: Jev Router is cheaper: $-1000000.0000 vs $0.75 per 1M tokens at a typical 3:1 input/output mix, 133333433% less. For 50,000 support conversations a month that is $-95000000.0000 against $65.63.
How much do Google: Gemini 3.8 Flash (batch) and TypeSafe: Jev Router cost per million tokens?
Google: Gemini 3.8 Flash (batch) costs $0.38 per 1M input tokens and $1.88 per 1M output tokens; TypeSafe: Jev Router costs $-1000000.0000 input and $-1000000.0000 output. Output tokens are billed separately, so long answers shift the gap.
Which has the bigger context window, Google: Gemini 3.8 Flash (batch) or TypeSafe: Jev Router?
Google: Gemini 3.8 Flash (batch): 1.0M tokens, about 1,573 pages, against 1M (about 1,500 pages) for TypeSafe: Jev Router.
Do Google: Gemini 3.8 Flash (batch) and TypeSafe: Jev Router support function calling and JSON output?
Tool calling — Google: Gemini 3.8 Flash (batch): yes, TypeSafe: Jev Router: yes. JSON-schema structured output — Google: Gemini 3.8 Flash (batch): yes, TypeSafe: Jev Router: yes.
Can Google: Gemini 3.8 Flash (batch) or TypeSafe: Jev Router read images?
Yes, both accept image input.
Is Google: Gemini 3.8 Flash (batch) or TypeSafe: Jev Router free to use?
No free variant is listed for either; both are pay-per-token.
When were Google: Gemini 3.8 Flash (batch) and TypeSafe: Jev Router released?
Google: Gemini 3.8 Flash (batch) was listed on 2026-09-02; TypeSafe: Jev Router on 2026-09-25.
About the two models
Google: Gemini 3.8 Flash (batch)
Gemini 3.8 Flash is Google's most intelligent Flash model with significant gains from 3.7 Flash across software engineering, agentic tasks, and multi-step reasoning.
Full Google: Gemini 3.8 Flash (batch) specs →TypeSafe: Jev Router
Jev Router picks the best model and reasoning effort for each request, balancing quality, speed, and cost. It runs on [Jev](https://openrouter.ai/~typesafe/jev-latest), TypeSafe's first System One model, and adapts as your...
Full TypeSafe: Jev Router specs →