Qwen: Qwen3.5 397B A17B

Pricing, context window and lifecycle for qwen/qwen3.5-397b-a17b, tracked from what the vendor publishes.

Price per million tokens

Input$0.390
Output$2.34
Max price$2.34

Facts

Model IDqwen/qwen3.5-397b-a17b
VendorQwen
Token limit (context window)262,144 tokens
Knowledge cutoff-
End of lifenone published

Supported parameters

frequency_penalty, include_reasoning, logit_bias, logprobs, max_tokens, min_p, presence_penalty, reasoning, repetition_penalty, response_format, seed, stop, structured_outputs, temperature, tool_choice, tools, top_k, top_logprobs, top_p

Other Qwen models

Change history

Every change we have observed since tracking began.

DetectedChangeDetail
2026-09-06 19:14Pricing ChangeOutput $3.50 -> $2.34 (-33.1%) · Cache price (read) no longer charged · Input $0.550 -> $0.390 (-29.1%)
2026-09-03 19:14Pricing ChangeOutput $2.34 -> $3.50 (+49.6%) · Cache price (read) now charged, $0.225 · Input $0.390 -> $0.550 (+41.0%)
2026-08-26 19:14Pricing ChangeOutput $3.60 -> $2.34 (-35.0%) · Cache price (read) no longer charged · Input $0.500 -> $0.390 (-22.0%)
2026-08-24 19:14Pricing ChangeOutput $2.34 -> $3.60 (+53.9%) · Cache price (read) now charged, $0.300 · Input $0.390 -> $0.500 (+28.2%)
2026-08-14 11:24Pricing ChangeOutput $3.00 -> $3.60 (+20.0%) · Cache price (read) $0.045 -> $0.300 (+566.7%) · Input $0.450 -> $0.500 (+11.1%)
2026-08-13 00:37Pricing ChangeOutput $2.34 -> $3.00 (+28.2%) · Cache price (read) now charged, $0.045 · Input $0.390 -> $0.450 (+15.4%)

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