Which is cheaper, Gemini 3.8 Flash and Qwen3.8 27B?

Qwen3.8 27B has the lowest input price. Per 1M input tokens: Gemini 3.8 Flash from $0.75 and Qwen3.8 27B from $0.40.

Which has the larger context window, Gemini 3.8 Flash and Qwen3.8 27B?

Gemini 3.8 Flash has the largest context window: Gemini 3.8 Flash 1,048,576 tokens and Qwen3.8 27B 262,144 tokens.

Which is smarter, Gemini 3.8 Flash and Qwen3.8 27B?

Gemini 3.8 Flash scores highest on the Artificial Analysis Intelligence Index: Gemini 3.8 Flash 30.5 and Qwen3.8 27B 20.1.

Can I switch between Gemini 3.8 Flash and Qwen3.8 27B without changing my code?

Yes. All of them are served through FastRouter's OpenAI-compatible API, so switching is a change of the model parameter (google/gemini-3.8-flash, qwen/qwen3.8-27b).

Gemini 3.8 Flash vs Qwen3.8 27B

Side-by-side pricing per provider, context window, benchmark scores and speed, all on one OpenAI-compatible API.

Estimate monthly cost for these models

Gemini 3.8 Flash Googlegoogle/gemini-3.8-flash

Qwen3.8 27B Alibabaqwen/qwen3.8-27b

Creator

Google

Alibaba

Released

Sep 2, 2026

Aug 14, 2025

Context window

1.05M

262K

Max output

66K

33K

Input / 1MLowest provider price

$0.75

$0.40

Output / 1MLowest provider price

$3.75

$3.00

Providers

IntelligenceArtificial Analysis index

30.5

20.1

Accepts

Text, Image, Audio, Video, Files

Text, Image, Video

Produces

Text

Tool calling

Yes

Structured output

Yes

Reasoning

Gemini 3.8 Flash vs Qwen3.8 27B: summary

Gemini 3.8 Flash and Qwen3.8 27B are both available through FastRouter's OpenAI-compatible API, so switching between them is a change of model id, not a new integration.

Gemini 3.8 Flash, from Google, has a 1,048,576-token context window, costs from $0.75/1M input and $3.75/1M output tokens across 2 providers and scores 30.5 on the Artificial Analysis Intelligence Index.

Qwen3.8 27B, from Alibaba, has a 262,144-token context window, costs $0.40/1M input and $3.00/1M output tokens and scores 20.1 on the Artificial Analysis Intelligence Index.

Qwen3.8 27B is the cheapest on input, 1.9× cheaper than the next model, Gemini 3.8 Flash has the largest context window and Gemini 3.8 Flash scores highest for intelligence.

Switch with one line

client = OpenAI(base_url="https://api.fastrouter.ai/api/v1", api_key="<FASTROUTER_API_KEY>") client.chat.completions.create(model="google/gemini-3.8-flash", messages=[...]) # or client.chat.completions.create(model="qwen/qwen3.8-27b", messages=[...])

Full API docs

Frequently asked questions

More comparisons

Benchmark scores sourced from ArtificialAnalysis