Qwen3.5-Plus vs Qwen3.6-35B-A3B
Qwen3.5-Plus (2026) and Qwen3.6-35B-A3B (2026) compare a standalone API model against a coding-specialized model. Qwen3.5-Plus ships a 1m-token context window, while Qwen3.6-35B-A3B ships a 262k-token context window. On SWE-bench Verified, Qwen3.5-Plus leads by 3 pts. On pricing, Qwen3.5-Plus ranges from $0.40 to $1.20/1M input tokens by tier; Qwen3.6-35B-A3B costs $0.15/1M input tokens. This page treats the result as workflow and deployment fit, not a universal model winner.
Treat this as a product-type comparison: Qwen3.5-Plus is standalone API model, while Qwen3.6-35B-A3B is coding-specialized model. Choose based on workflow fit before reading any benchmark or price row as decisive.
Decision scorecard
Local evidence first| Signal | Qwen3.5-Plus | Qwen3.6-35B-A3B |
|---|---|---|
| Product type | Standalone API model | Coding-specialized model |
| Best for | multimodal apps, long-context analysis, and provider-routed production | custom coding agents, code generation, and tool loops |
| Decision fit | Coding, Agents, and Long context | Coding, RAG, and Agents |
| Context window | 1m | 262k |
| Cheapest output | $1.80/1M tokens | $1/1M tokens |
| Provider routes | 3 tracked | 2 tracked |
| Shared benchmarks | SWE-bench Verified leader | 2 shared |
Decision tradeoffs
- Qwen3.5-Plus holds a shared-benchmark lead on SWE-bench Verified, ahead by 3 points.
- Qwen3.5-Plus has the larger context window for long prompts, retrieval packs, or transcript analysis.
- Qwen3.5-Plus has broader tracked provider coverage for fallback and route flexibility.
- Local decision data tags Qwen3.5-Plus for Coding, Agents, and Long context.
- Qwen3.6-35B-A3B has the lower cheapest tracked output price at $1/1M tokens.
- Qwen3.6-35B-A3B uniquely exposes JSON / Tool use in local model data.
- Local decision data tags Qwen3.6-35B-A3B for Coding, RAG, and Agents.
Monthly cost at traffic
Estimate token spend from the cheapest tracked input and output route or tier on this page.
Qwen3.5-Plus
$690
Cheapest tracked route/tier: OpenRouter
Qwen3.6-35B-A3B
$370
Cheapest tracked route/tier: OpenRouter
Estimated monthly gap: $320. Batch, cache, alternate speed tiers, and negotiated pricing are excluded from this local estimate.
Switch friction
- Provider overlap exists on OpenRouter; start route-level A/B tests there.
- Qwen3.6-35B-A3B is $0.80/1M tokens lower on cheapest tracked output pricing before cache, batch, or negotiated discounts.
- Qwen3.6-35B-A3B adds JSON / Tool use in local capability data.
- Provider overlap exists on OpenRouter; start route-level A/B tests there.
- Qwen3.5-Plus is $0.80/1M tokens higher on cheapest tracked output pricing, so quality gains need to justify the spend.
- Check replacement coverage for JSON / Tool use before moving production traffic.
Specs
| Specification | ||
|---|---|---|
| Released | 2026-02-15 | 2026-04-16 |
| Context window | 1m | 262k |
| Parameters | — | 35B |
| Architecture | - | Mixture of Experts |
| License | Apache 2.0OSI-approved | Apache 2.0OSI-approved |
| Openness | Open source | Open source |
| Weights | Unknown | Available |
| Code | Unknown | Unknown |
| Commercial use | Commercial use: permitted | Commercial use: permitted |
| Knowledge cutoff | - | - |
Pricing and availability
| Pricing attribute | Qwen3.5-Plus | Qwen3.6-35B-A3B |
|---|---|---|
| Input price |
| $0.15/1M tokens |
| Output price |
| $1/1M tokens |
| Providers |
Capabilities
| Capability | Qwen3.5-Plus | Qwen3.6-35B-A3B |
|---|---|---|
| Vision | Yes | Yes |
| Multimodal | Yes | Yes |
| Reasoning | No | No |
| JSON / Tool use | No | Yes |
| Structured outputs | No | No |
| Code execution | No | No |
| IDE integration | No | No |
| Computer use | No | No |
| Parallel agents | No | No |
Benchmarks
| Benchmark | Qwen3.5-Plus | Qwen3.6-35B-A3B |
|---|---|---|
| SWE-bench Verified | 76.4 | 73.4 |
| Google-Proof Q&A | 88.4 | 86.0 |
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Last reviewed: 2026-06-29. Data sourced from public model cards and provider documentation.