AI model comparison
Qwen3.8 Flash vs Qwen3.8 27B
Side by side comparison of Qwen3.8 Flash and Qwen3.8 27B on pricing, benchmark scores, context window, and more.
Qwen3.8 Flash is a multimodal reasoning model from Alibaba.
- Input / 1M
- $0.15
- Output / 1M
- $0.47
- Context
- 1M
Qwen3.8 27B is an open-weight dense vision-language model from Qwen.
- Input / 1M
- $0.04
- Output / 1M
- $1.25
- Context
- 1M
Comparing image generators? Compare image models
At a glance
Quick verdict
How the two models stack up on the things people ask about most.
Lower price
Qwen3.8 Flash
1.3x cheaper for a typical chat
Higher intelligence score
Not available
Not enough benchmark data
Larger context window
Tie
1M vs 1M tokens
Newer release
Qwen3.8 Flash
Released August 26, 2026
Benchmarks
Benchmark scores
Independent scores from Artificial Analysis. Higher is better.
Intelligence index
Coding index
Agentic index
Pricing
Qwen3.8 Flash vs Qwen3.8 27B API pricing
Per-token API rates. Cheaper option highlighted.
| Metric | ||
|---|---|---|
| Input tokensPer 1M tokens | $0.15 | $0.04 |
| Output tokensPer 1M tokens | $0.47 | $1.25 |
| Cached input (read)Per 1M tokens | $0.02 | $0.00 |
| Cache writePer 1M tokens | Not available | Not available |
What it costs in practice
Estimated cost per 1,000 requests at standard rates. Coding and long-document figures also show the cost when the input is already cached.
Chat message
2K in, 500 out
Coding task
30K in, 4K out
Long document summary
150K in, 2K out
Specs
Context window and capabilities
How much each model can read, how much it can write, and what it accepts as input.
| Metric | ||
|---|---|---|
| Context window | 1M tokens | 1M tokens |
| Max output | 131K tokens | 66K tokens |
| Input types | Image, Text, Video | Image, Text, Video |
| Output types | Text | Text |
| Reasoning effort levels | Not available | Extra high, Medium, Low, None |
| Default reasoning effort | Not available | Extra high |
| Release date | August 26, 2026 | August 14, 2026 |
Features
Supported features
API features available for each model.
| Metric | ||
|---|---|---|
| Tool calling | Supported | Supported |
| Structured outputs | Supported | Supported |
| JSON mode | Supported | Supported |
| Reasoning | Supported | Supported |
| Temperature | Supported | Supported |
| Stop sequences | Supported | Supported |
| Deterministic seed | Supported | Supported |
| Verbosity control | Not supported | Not supported |
Our take
Qwen3.8 Flash is 1.3x cheaper for a typical chat. The right pick depends on your workload, so the quickest way to settle it is to send the same prompt to both and compare.
FAQ
Frequently asked questions
Is Qwen3.8 Flash or Qwen3.8 27B cheaper?
Qwen3.8 Flash is cheaper for a typical chat (2K input tokens and 500 output tokens). Qwen3.8 Flash costs $0.15 per 1M input tokens and $0.47 per 1M output tokens, while Qwen3.8 27B costs $0.04 per 1M input tokens and $1.25 per 1M output tokens.
Which has a bigger context window, Qwen3.8 Flash or Qwen3.8 27B?
Qwen3.8 Flash supports up to 1M tokens of context, compared with 1M for Qwen3.8 27B.
Can I use Qwen3.8 Flash and Qwen3.8 27B at the same time?
Yes. Shortcut Chat sends one prompt to multiple models at once, so you can see Qwen3.8 Flash and Qwen3.8 27B answer side by side and keep the better response.
Why choose? Ask both.
Send one prompt to Qwen3.8 Flash and Qwen3.8 27B at the same time. Compare the answers side by side and keep the best one.