Claude Opus 4.6 vs Qwen3.6 Max Preview
Claude Opus 4.6 (2026) and Qwen3.6 Max Preview (2026) are frontier-tier reasoning models from Anthropic and Alibaba. Claude Opus 4.6 ships a 1m-token context window, while Qwen3.6 Max Preview ships a 256k-token context window. On MMLU PRO, Claude Opus 4.6 leads by 0.6 pts. This comparison covers specs, pricing, API access, capabilities, benchmarks, input and output token costs, and production fit for coding and agent workloads.
Qwen3.6 Max Preview is safer overall; choose Claude Opus 4.6 when coding workflow support matters.
Decision scorecard
Local evidence first| Signal | Claude Opus 4.6 | Qwen3.6 Max Preview |
|---|---|---|
| Best for | reasoning-heavy apps, multimodal apps, and tool-calling agents | reasoning-heavy apps, multimodal apps, and tool-calling agents |
| Decision fit | Coding, RAG, and Agents | Coding, RAG, and Agents |
| Context window | 1m | 256k |
| Cheapest output | $25/1M tokens | $6.24/1M tokens |
| Provider routes | 6 tracked | 3 tracked |
| Shared benchmarks | MMLU PRO leader | 6 shared |
Decision tradeoffs
- Claude Opus 4.6 holds a shared-benchmark lead on MMLU PRO, ahead by 0.6 points.
- Claude Opus 4.6 has the larger context window for long prompts, retrieval packs, or transcript analysis.
- Claude Opus 4.6 has broader tracked provider coverage for fallback and route flexibility.
- Claude Opus 4.6 uniquely exposes Code execution in local model data.
- Local decision data tags Claude Opus 4.6 for Coding, RAG, and Agents.
- Qwen3.6 Max Preview holds a shared-benchmark lead on LiveCodeBench, ahead by 16.9 points.
- Qwen3.6 Max Preview has the lower cheapest tracked output price at $6.24/1M tokens.
- Local decision data tags Qwen3.6 Max Preview 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.
Claude Opus 4.6
$10,250
Cheapest tracked route/tier: Anthropic
Qwen3.6 Max Preview
$2,392
Cheapest tracked route/tier: OpenRouter
Estimated monthly gap: $7,858. Batch, cache, alternate speed tiers, and negotiated pricing are excluded from this local estimate.
Switch friction
- Provider overlap exists on OpenRouter and Vercel AI Gateway; start route-level A/B tests there.
- Qwen3.6 Max Preview is $18.76/1M tokens lower on cheapest tracked output pricing before cache, batch, or negotiated discounts.
- Check replacement coverage for Code execution before moving production traffic.
- Provider overlap exists on OpenRouter and Vercel AI Gateway; start route-level A/B tests there.
- Claude Opus 4.6 is $18.76/1M tokens higher on cheapest tracked output pricing, so quality gains need to justify the spend.
- Claude Opus 4.6 adds Code execution in local capability data.
Specs
| Specification | ||
|---|---|---|
| Released | 2026-02-05 | 2026-04-20 |
| Context window | 1m | 256k |
| Parameters | — | — |
| Architecture | Decoder Only | Mixture of Experts |
| License | Proprietary | Apache 2.0OSI-approved |
| Openness | Proprietary | Open source |
| Weights | Not released | Unknown |
| Code | Unknown | Unknown |
| Commercial use | Commercial use: conditional | Commercial use: permitted |
| Knowledge cutoff | 2025-12 | - |
Pricing and availability
| Pricing attribute | Claude Opus 4.6 | Qwen3.6 Max Preview |
|---|---|---|
| Input price | $5/1M tokens |
|
| Output price | $25/1M tokens |
|
| Providers |
Capabilities
| Capability | Claude Opus 4.6 | Qwen3.6 Max Preview |
|---|---|---|
| Vision | Yes | Yes |
| Multimodal | Yes | Yes |
| Reasoning | Yes | Yes |
| JSON / Tool use | Yes | Yes |
| Structured outputs | Yes | Yes |
| Code execution | Yes | No |
| IDE integration | No | No |
| Computer use | No | No |
| Parallel agents | No | No |
Benchmarks
| Benchmark | Claude Opus 4.6 | Qwen3.6 Max Preview |
|---|---|---|
| MMLU PRO | 89.1 | 88.5 |
| SWE-bench Verified | 80.8 | 78.8 |
| Google-Proof Q&A | 91.3 | 86.0 |
| LiveCodeBench | 70.2 | 87.1 |
| Massive Multi-discipline Multimodal Understanding | 76.5 | 82.0 |
| Humanity's Last Exam | 53.0 | 28.8 |
Continue comparing
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- Claude Opus 4.6 vs DeepSeek V4 Pro
- Claude Opus 4.6 vs GLM-5.1
- Claude Opus 4.6 vs Gemini 3.5 Flash
- Claude Opus 4.6 vs Hunyuan Hy3 Preview
- Claude Opus 4.6 vs Composer 2.5
- Claude Opus 4.6 vs DeepSeek V4 Flash
- Claude 3.7 Sonnet vs Claude Opus 4.6
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Last reviewed: 2026-07-26. Data sourced from public model cards and provider documentation.