GPT-5.5-Cyber vs Qwen3.5-397B-A17B
GPT-5.5-Cyber (2026) and Qwen3.5-397B-A17B (2026) are frontier-tier reasoning models from OpenAI and Alibaba. GPT-5.5-Cyber ships a not-yet-sourced context window, while Qwen3.5-397B-A17B ships a 262k-token context window. This comparison covers specs, pricing, API access, capabilities, benchmarks, input and output token costs, and production fit for coding and agent workloads. It focuses on practical selection signals rather than broad model-family marketing. The goal is to make the tradeoff clear before deeper testing.
GPT-5.5-Cyber is safer overall; choose Qwen3.5-397B-A17B when vision-heavy evaluation matters.
Decision scorecard
Local evidence first| Signal | GPT-5.5-Cyber | Qwen3.5-397B-A17B |
|---|---|---|
| Best for | reasoning-heavy apps and multimodal apps | reasoning-heavy apps, multimodal apps, and tool-calling agents |
| Decision fit | Vision | Coding, RAG, and Agents |
| Context window | — | 262k |
| Cheapest output | - | $2.34/1M tokens |
| Provider routes | 0 tracked | 4 tracked |
| Shared benchmarks | 0 shared | 0 shared |
Decision tradeoffs
- Local decision data tags GPT-5.5-Cyber for Vision.
- Qwen3.5-397B-A17B has the larger context window for long prompts, retrieval packs, or transcript analysis.
- Qwen3.5-397B-A17B has broader tracked provider coverage for fallback and route flexibility.
- Qwen3.5-397B-A17B uniquely exposes JSON / Tool use and Structured outputs in local model data.
- Local decision data tags Qwen3.5-397B-A17B 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.
GPT-5.5-Cyber
Unavailable
No complete token price in local provider data
Qwen3.5-397B-A17B
$897
Cheapest tracked route/tier: OpenRouter
Cost delta unavailable until both models have sourced input and output token prices.
Switch friction
- No overlapping tracked provider route is sourced for GPT-5.5-Cyber and Qwen3.5-397B-A17B; plan for SDK, billing, or endpoint changes.
- Qwen3.5-397B-A17B adds JSON / Tool use and Structured outputs in local capability data.
- No overlapping tracked provider route is sourced for Qwen3.5-397B-A17B and GPT-5.5-Cyber; plan for SDK, billing, or endpoint changes.
- Check replacement coverage for JSON / Tool use and Structured outputs before moving production traffic.
Specs
| Specification | ||
|---|---|---|
| Released | 2026-04-30 | 2026-02-16 |
| Context window | — | 262k |
| Parameters | — | 397B |
| Architecture | Decoder Only | Mixture of Experts |
| License | Proprietary | Apache 2.0OSI-approved |
| Openness | Proprietary | Open source |
| Weights | Not released | Available |
| Code | Unknown | Unknown |
| Commercial use | Commercial use: conditional | Commercial use: permitted |
| Knowledge cutoff | 2025-12 | - |
Pricing and availability
| Pricing attribute | GPT-5.5-Cyber | Qwen3.5-397B-A17B |
|---|---|---|
| Input price | - | $0.39/1M tokens |
| Output price | - | $2.34/1M tokens |
| Providers | - |
Capabilities
| Capability | GPT-5.5-Cyber | Qwen3.5-397B-A17B |
|---|---|---|
| Vision | Yes | Yes |
| Multimodal | Yes | Yes |
| Reasoning | Yes | Yes |
| JSON / Tool use | No | Yes |
| Structured outputs | No | Yes |
| Code execution | No | No |
| IDE integration | No | No |
| Computer use | No | No |
| Parallel agents | No | No |
Benchmarks
No shared benchmark scores are currently available for this pair.
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Last reviewed: 2026-06-29. Data sourced from public model cards and provider documentation.