Qwen3.5 397B-A17B API pricing
Official Qwen list price, last checked Oct 29, 2026. Updated Oct 29, 2026.
Qwen3.5 397B-A17B costs $0.60 per 1M input tokens and $3.60 per 1M output tokens, and a 256K-token context window, per Qwen's official pricing page (checked Oct 29, 2026). It's priced in the middle of the pack: number 41 of 77 by blended price ($1.35 per 1M tokens at a 3 to 1 input to output mix). On LMArena's Code Arena it ranks #43 of 50 models we price (relative score 0 out of 100). Cheaper pick: MiMo-V2.6 Flash scores 36 against 0 on the same board at $0.175 blended, 7.7x less.
Qwen3.5 397B-A17B price per million tokens
| Qwen3.5 397B-A17B price per million tokens | USD |
|---|---|
| Input | $0.60 |
| Cached input | Not listed |
| Output | $3.60 |
| Blended, 3 parts input to 1 part output | $1.35 |
| Context window | 256K tokens |
Official note from Qwen: International (Singapore). Prompts up to 256K.
What Qwen3.5 397B-A17B costs for real work
List-price estimates for a month, no discounts. Our math, not a quote: change the token counts in the plan vs API calculator.
| Workload | Tokens a month | Qwen3.5 397B-A17B | Step 5 Preview | DeepSeek V4.1 Flash |
|---|---|---|---|---|
| Light: a side project or personal assistant | 2M in, 0.5M out | $3.00 | $3.35 | $1.20 |
| Medium: a small team or one product feature | 20M in, 5M out | $30.00 | $33.50 | $12.00 |
| Heavy: a production app | 200M in, 50M out | $300 | $335 | $120 |
How Qwen3.5 397B-A17B ranks on LMArena
Relative score: 100 is the top model we price on that board. Rank is among the models in our price table, not the full leaderboard.
| Board | Rank | Score /100 |
|---|---|---|
| Coding (Code Arena) | #43 of 50 | 0 |
| Chat (Text Arena) | #37 of 51 | 0 |
| Creative writing (Text Arena creative writing) | #36 of 51 | 0 |
| Roleplay and characters (Text Arena multi-turn) | #31 of 51 | 0 |
| Reasoning and math (Text Arena math) | #32 of 51 | 0 |
| Vision (Vision Arena) | #24 of 33 | 0 |
Closest rivals to Qwen3.5 397B-A17B
The models nearest in price, other makers first. Ranks are on Code Arena, where we have them.
| Model | In / out | Blended | Verdict |
|---|---|---|---|
| Step 5 Preview | $1 / $2.70 | $1.43 | Step 5 Preview for quality, Qwen3.5 397B-A17B for price. Compare |
| Hunyuan Hy4 Preview | $0.834 / $2.50 | $1.25 | Hunyuan Hy4 Preview wins on both. Compare |
| Grok Build 0.1 | $1 / $2 | $1.25 | Grok Build 0.1 wins on price. Compare |
| ERNIE 5.0 | $0.84 / $3.38 | $1.48 | Qwen3.5 397B-A17B wins on price. Compare |
Cheaper alternatives to Qwen3.5 397B-A17B
At least 40% cheaper blended, best LMArena score first.
| Model | In / out | Blended | Verdict |
|---|---|---|---|
| DeepSeek V4.1 Flash | $0.30 / $1.20 | $0.525 | DeepSeek V4.1 Flash wins on both. Compare |
| MiMo-V2.6 Flash | $0.14 / $0.28 | $0.175 | MiMo-V2.6 Flash wins on both. Compare |
| MiMo-V2.6 Pro | $0.435 / $0.87 | $0.5437 | MiMo-V2.6 Pro wins on both. Compare |
More from Qwen
- Qwen3.6 27B$0.60 in, $3.60 out per 1M
- Qwen3.8 27B$0.50 in, $3 out per 1M
- Qwen3.6 Plus$0.50 in, $3 out per 1M
- Qwen3.5 122B-A10B$0.40 in, $3.20 out per 1M
- Qwen3.5 Plus$0.40 in, $2.40 out per 1M
FAQ
How much does the Qwen3.5 397B-A17B API cost per million tokens?
$0.60 per 1M input tokens and $3.60 per 1M output tokens, as of Oct 29, 2026. A typical 3 to 1 input to output mix works out to $1.35 per 1M tokens.
Does Qwen3.5 397B-A17B charge more for long prompts?
Qwen doesn't list a long-prompt surcharge for Qwen3.5 397B-A17B. Its pricing note says: International (Singapore). Prompts up to 256K.
Is Qwen3.5 397B-A17B cheaper than Step 5 Preview?
Yes. A medium month (20M input and 5M output tokens) costs $30.00 on Qwen3.5 397B-A17B and $33.50 on Step 5 Preview at list price. On Code Arena, Qwen3.5 397B-A17B ranks #43 and Step 5 Preview #28.
How does Qwen3.5 397B-A17B rank on LMArena?
On Code Arena it is #43 of 50 models we price, with a relative score of 0 out of 100. It ranks on 6 of 8 boards we track.
What is a cheaper alternative to Qwen3.5 397B-A17B?
DeepSeek V4.1 Flash costs $0.30 in and $1.20 out per 1M tokens, about 2.6x less blended, and scores 46 on Code Arena against 0 for Qwen3.5 397B-A17B.
Where does this Qwen3.5 397B-A17B price come from?
From Qwen's official pricing page, which we check every day. This page was last checked Oct 29, 2026.