Qwen3.5-397B-A17B

Alibaba(Qwen)Legacy

Input price: —; Per 1 million tokens (USD)
Output price: —; Per 1 million tokens (USD)
Effort levels: not collected
Benchmark results: 4total; Benchmark types: 4

Model information

API model ID: —
release date: Unknown
effort: not collected
Effort source: Not collected. The HF model card (huggingface.co/Qwen/Qwen3.5-397B-A17B, retrieved 2026-11-13, revision 8472618) says "Qwen3.5 models operate in thinking mode by default" and describes only enabling and disabling thinking (enable_thinking), with no effort levels stated.
Claude Code: unknown
Codex: unknown
Availability notes: Not collected (the official model list for Claude Code and the one for Codex were not checked this time).

Price (USD per 1 million tokens)

Prices do not vary by effort; token consumption does.

input	—
output	—
cache read	—
cache write	—

Not collected (an open-weight model. The model card identifies the corresponding hosted version as Qwen3.5-Plus, under a different name).

Benchmark results

Benchmark	effort	Score	Source cost (metric)	measured/reported by	source	Conditions and extraction method
τ²-bench airline (v1.0.1)not stated	not stated	81.5%	—	Sierra	τ²-bench leaderboard submission qwen3.5-397b-a17b-think_sierra_2026-03-02 (sierra-research/tau2-bench, MIT)third-party · Retrieved 2026-11-13	τ²-bench leaderboard submission qwen3.5-397b-a17b-think_sierra_2026-03-02 (submission_type standard, tau2_bench_version 1.0.1). Submitter "Sierra", model_organization "Alibaba Cloud": Run by Sierra, which operates τ²-bench (third-party measurement). Verified on the leaderboard (trajectories available, prompts not modified, no questions omitted). The value is pass^1 (%). reasoning_effort "enabled" (thinking enabled). The HF model card only distinguishes whether thinking is enabled or disabled and has no effort levels, so no effort. User simulator gpt-5.2 (reasoning_effort low). Evaluation date 2026-02-27. Notes summary: 4 trial runs; seed 300; temperature 1.0; top_p 0.95; self-hosted with vLLM.transcribed from table Source excerpt airline.pass_1=81.5Location In submissions/qwen3.5-397b-a17b-think_sierra_2026-03-02/submission.json: results.airline.pass_1 (line 22 of file). model_name "Qwen3.5-397B-A17B". methodology.notes (line 56)
τ²-bench banking_knowledge (v1.0.1)not stated	not stated	9.8%	—	Sierra	τ²-bench leaderboard submission qwen3.5-397b-a17b-think_sierra_2026-03-02 (sierra-research/tau2-bench, MIT)third-party · Retrieved 2026-11-13	τ²-bench leaderboard submission qwen3.5-397b-a17b-think_sierra_2026-03-02 (submission_type standard, tau2_bench_version 1.0.1). Submitter "Sierra", model_organization "Alibaba Cloud": Run by Sierra, which operates τ²-bench (third-party measurement). Verified on the leaderboard (trajectories available, prompts not modified, no questions omitted). The value is pass^1 (%). reasoning_effort "enabled" (thinking enabled; the HF model card has no levels, so no effort). User simulator gpt-5.2 (reasoning_effort low). Search configuration retrieval_config "text-emb-3-large". Evaluation date 2026-02-27. Notes summary: rescored on 2026-07-15 following a scoring correction in v1.0.1; 4 trial runs; seed 300; temperature 1.0; top_p 0.95; self-hosted with vLLM.transcribed from table Source excerpt banking_knowledge.pass_1=9.79Location In submissions/qwen3.5-397b-a17b-think_sierra_2026-03-02/submission.json: results.banking_knowledge.pass_1 (line 43 of file). model_name "Qwen3.5-397B-A17B". methodology.notes (line 56)
τ²-bench retail (v1.0.1)not stated	not stated	84.4%	—	Sierra	τ²-bench leaderboard submission qwen3.5-397b-a17b-think_sierra_2026-03-02 (sierra-research/tau2-bench, MIT)third-party · Retrieved 2026-11-13	τ²-bench leaderboard submission qwen3.5-397b-a17b-think_sierra_2026-03-02 (submission_type standard, tau2_bench_version 1.0.1). Submitter "Sierra", model_organization "Alibaba Cloud": Run by Sierra, which operates τ²-bench (third-party measurement). Verified on the leaderboard (trajectories available, prompts not modified, no questions omitted). The value is pass^1 (%). reasoning_effort "enabled" (thinking enabled). The HF model card only distinguishes whether thinking is enabled or disabled and has no effort levels, so no effort. User simulator gpt-5.2 (reasoning_effort low). Evaluation date 2026-02-27. Notes summary: 4 trial runs; seed 300; temperature 1.0; top_p 0.95; self-hosted with vLLM.transcribed from table Source excerpt retail.pass_1=84.43Location In submissions/qwen3.5-397b-a17b-think_sierra_2026-03-02/submission.json: results.retail.pass_1 (line 29 of file). model_name "Qwen3.5-397B-A17B". methodology.notes (line 56)
τ²-bench telecom (v1.0.1)not stated	not stated	97.8%	—	Sierra	τ²-bench leaderboard submission qwen3.5-397b-a17b-think_sierra_2026-03-02 (sierra-research/tau2-bench, MIT)third-party · Retrieved 2026-11-13	τ²-bench leaderboard submission qwen3.5-397b-a17b-think_sierra_2026-03-02 (submission_type standard, tau2_bench_version 1.0.1). Submitter "Sierra", model_organization "Alibaba Cloud": Run by Sierra, which operates τ²-bench (third-party measurement). Verified on the leaderboard (trajectories available, prompts not modified, no questions omitted). The value is pass^1 (%). reasoning_effort "enabled" (thinking enabled). The HF model card only distinguishes whether thinking is enabled or disabled and has no effort levels, so no effort. User simulator gpt-5.2 (reasoning_effort low). Evaluation date 2026-02-27. Notes summary: 4 trial runs; seed 300; temperature 1.0; top_p 0.95; self-hosted with vLLM.transcribed from table Source excerpt telecom.pass_1=97.81Location In submissions/qwen3.5-397b-a17b-think_sierra_2026-03-02/submission.json: results.telecom.pass_1 (line 36 of file). model_name "Qwen3.5-397B-A17B". methodology.notes (line 56)

Related rankings

References

https://huggingface.co/Qwen/Qwen3.5-397B-A17B