Gemini 3.5 Flash vs Qwen3.5 397B A17B
API pricing, context window and capabilities for Gemini 3.5 Flash and Qwen3.5 397B A17B, side by side. Prices are the cheapest serving route per 1M tokens, verified against LiteLLM and OpenRouter.
Verdict
computed from the published numbersGemini 3.5 Flash wins on coding, on intelligence and on context window. Qwen3.5 397B A17B wins on price.
Price
Qwen3.5 397B A17B
Coding
Gemini 3.5 Flash
Intelligence
Gemini 3.5 Flash
Context window
Gemini 3.5 Flash
Key takeaways
who wins on what, from the published numbersGemini 3.5 Flash wins
- Larger context window (1M vs 262K)
- Supports audio
- Supports prompt caching
- Has web search
Qwen3.5 397B A17B wins
- Cheaper input ($1.50 vs $0.60 /1M)
- Cheaper output ($9.00 vs $3.60 /1M)
Cheaper overall
Qwen3.5 397B A17B
$0.60 + $3.60 /1M
Larger context
Gemini 3.5 Flash
1M
More providers
Tied
Pricing & specs
cheapest serving route · per 1M tokens| Gemini 3.5 Flash | Qwen3.5 397B A17B | |
|---|---|---|
| Input $/1M | $1.50 | $0.60 best |
| Output $/1M | $9.00 | $3.60 best |
| Context window | 1M best | 262K |
| Max output | 66K | 66K |
| Serving providers | 3 | 3 |
| Released | 2026-05-22 | 2026-02-16 |
Benchmarks
Artificial Analysis indices, side by side| Gemini 3.5 Flash | Qwen3.5 397B A17B | |
|---|---|---|
| Intelligence | 50.2 best | 33.7 |
| Coding | 70.1 best | 48.2 |
| GPQA Diamond | 92% best | 89% |
| Output speed | 188 t/s best | 61 t/s |
| Latency (TTFT) | 18.79s | 9.37s best |
Cost calculator
choose a serving route for each sideInput tokens / month
Output tokens / month
Gemini 3.5 Flash
via Vertex AI
$17
Qwen3.5 397B A17B
via OpenRouter
$6.60
Capabilities
feature support, side by side| Feature | Gemini 3.5 Flash | Qwen3.5 397B A17B |
|---|---|---|
| Vision | ✓ | ✓ |
| Tool use | ✓ | ✓ |
| Reasoning | ✓ | ✓ |
| Audio | ✓ | — |
| Prompt caching | ✓ | — |
| Structured output | ✓ | ✓ |
| Web search | ✓ | — |
Related comparisons
Frequently asked questions
Which is cheaper, Gemini 3.5 Flash or Qwen3.5 397B A17B?
Qwen3.5 397B A17B is cheaper for input ($1.50 vs $0.60 per 1M tokens). Qwen3.5 397B A17B is cheaper for output ($9.00 vs $3.60 per 1M tokens).
What is the context window difference between Gemini 3.5 Flash and Qwen3.5 397B A17B?
Gemini 3.5 Flash has a 1M-token context window and Qwen3.5 397B A17B has 262K tokens, so Gemini 3.5 Flash can take a larger prompt.
How do Gemini 3.5 Flash and Qwen3.5 397B A17B compare on benchmarks?
On the tracked Artificial Analysis indices, Gemini 3.5 Flash leads on coding, and Gemini 3.5 Flash leads on intelligence.
Pricing verified against LiteLLM + OpenRouter + provider pages · refreshed daily
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