Which is cheaper, Qwen3.8 27B and Grok 4.7?

Qwen3.8 27B has the lowest input price. Per 1M input tokens: Qwen3.8 27B from $0.40 and Grok 4.7 from $2.00.

Which has the larger context window, Qwen3.8 27B and Grok 4.7?

Grok 4.7 has the largest context window: Qwen3.8 27B 262,144 tokens and Grok 4.7 500,000 tokens.

Can I switch between Qwen3.8 27B and Grok 4.7 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 (qwen/qwen3.8-27b, x-ai/grok-4.7).

Qwen3.8 27B vs Grok 4.7

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

Estimate monthly cost for these models

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

Grok 4.7 xAIx-ai/grok-4.7

Creator

Alibaba

xAI

Released

Aug 14, 2025

Sep 21, 2026

Context window

262K

500K

Max output

33K

500K

Input / 1MLowest provider price

$0.40

$2.00

Output / 1MLowest provider price

$3.00

$6.00

Providers

IntelligenceArtificial Analysis index

20.1

35.0

Accepts

Text, Image, Video

Text, Image

Produces

Text

Tool calling

Yes

Structured output

Yes

Reasoning

Qwen3.8 27B vs Grok 4.7: summary

Qwen3.8 27B and Grok 4.7 are both available through FastRouter's OpenAI-compatible API, so switching between them is a change of model id, not a new integration.

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.

Grok 4.7, from xAI, has a 500,000-token context window, costs $2.00/1M input and $6.00/1M output tokens and scores 35.0 on the Artificial Analysis Intelligence Index.

Qwen3.8 27B is the cheapest on input, 5× cheaper than the next model, Grok 4.7 has the largest context window and Grok 4.7 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="qwen/qwen3.8-27b", messages=[...]) # or client.chat.completions.create(model="x-ai/grok-4.7", messages=[...])

Full API docs

Frequently asked questions

More comparisons

Benchmark scores sourced from ArtificialAnalysis