Claude Sonnet 5 vs Qwen3.8 Max
Model Markets Rankings
Intelligence, Cost, and Efficiency
| Ranking | Claude Sonnet 5 | Qwen3.8-Max |
|---|---|---|
| CostLower is better · Published-token output estimate | UnrankedNot in the 36-model eligible cohort | #19 of 36$0.107 per LiveBench case |
Ranks come from the current complete eligible cohorts. Green highlights appear only when both models are ranked in the same metric. Missing required inputs remain unranked, and the three dimensions are not collapsed into an overall winner.
Benchmark Performance
Available Benchmarks
| Benchmark | Claude Sonnet 5 | Qwen3.8-Max |
|---|---|---|
| LMArena Agent Arenaagent-2026-08-31-011508720696 · outcome_score · statistical tie | 7.48100% of row best · score · Claude Sonnet 5 (High); 95% CI [5.31247081, 9.65098366]; sessions 27467; observations 2696236; rank 8 | 6.0199% of row best · score · Qwen3.8 Max; 95% CI [4.88117795, 7.13339178]; sessions 18386; observations 1372080; rank 14 |
| LMArena Text Arenatext-2026-09-01-011508720696 · arena_rating · leader | 1,442.9598% of row best · rating · claude-sonnet-5-high; 95% CI [1438.22001632, 1447.67497803]; votes 31096; rank 56 | 1,479.56100% of row best · rating · qwen3.8-max; 95% CI [1473.34740586, 1485.77213629]; votes 13136; rank 12 |
| LMArena Vision Arenavision-2026-08-27-011508720696 · arena_rating · leader | 1,277.9497% of row best · rating · claude-sonnet-5-high; 95% CI [1269.73992861, 1286.14906472]; votes 8522; rank 29 | 1,312.86100% of row best · rating · qwen3.8-max; 95% CI [1304.57707433, 1321.13715544]; votes 7244; rank 6 |
| Overall ResultCounted from the protocol-matched rows above · 1 tie | 0 benchmark wins | 2 benchmark winsOverall lead |
Third-party benchmark Only like-for-like primary-publisher results are shown; raw scores, relative scores, configuration, and token spend remain visible.
Technical Differences
Side-by-Side Facts
| Field | Claude Sonnet 5 | Qwen3.8-Max |
|---|---|---|
| Developer | Anthropic | Qwen |
| Family | Claude 5 | Qwen3 8 Max |
| Model | Claude Sonnet 5 | Qwen3.8-Max |
| Version | Claude Sonnet 5 | Qwen3.8-Max |
| Lifecycle | active | active |
| Released | 2026-06-30 | Unknown |
| Knowledge cutoff | Unknown | Unknown |
| Input modalities | Text, Image | Text, Image, Video |
| Output modalities | Text | Text |
| Context window | 1,000K | 1,000K |
| Total parameters | Unknown | 2.4T |
| Active parameters | Unknown | Unknown |
| License | Unknown | Unknown |
| Open weights | No | No |
| API available | Yes | Yes |
| Self-hostable | No | No |
| Provider access | Anthropic (Standard), Deepinfra (Standard), Openrouter (Standard) | Alibaba Cloud Model Studio (Standard), Deepinfra (Standard), Fireworks Ai (Standard), Openrouter (Standard) |
| Capabilities | chat, generation, reasoning, tools | agents, chat, reasoning, structured_outputs, tools, vision |
13 comparable fields · 7 material differences · Pair passes the primary-source comparison gate
Claude Sonnet 5 Capabilities
Qwen3.8 Max Capabilities
Internal Comparison Graph
Related Comparisons
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|---|---|---|---|
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Claude Sonnet 5Anthropic | vs |  Hy4 previewTencent | cross-developer peerstext |
Claude Sonnet 5Anthropic | vs | Seed 2.1 ProByteDance Seed | cross-developer peersimage, text |
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Primary Evidence
Sources and Freshness
Questions
Claude Sonnet 5 vs Qwen3.8 Max FAQs
Is Claude Sonnet 5 or Qwen3.8 Max better for coding?+
This comparison does not currently contain a protocol-matched coding benchmark for both Claude Sonnet 5 and Qwen3.8 Max, so Model Markets cannot name a coding leader from pricing, context size, or capability labels alone.
Which is cheaper, Claude Sonnet 5 or Qwen3.8 Max?+
Claude Sonnet 5 is $2.00 and Qwen3.8 Max is $1.65 per million tokens, so Qwen3.8 Max is cheaper on this metric. Claude Sonnet 5 is $10.00 and Qwen3.8 Max is $4.951 per million tokens, so Qwen3.8 Max is cheaper on this metric.
Which has a larger context window, Claude Sonnet 5 or Qwen3.8 Max?+
Neither model has a larger sourced context window in this comparison. Claude Sonnet 5 is 1,000K and Qwen3.8 Max is 1,000K.
Which performs better in benchmarks, Claude Sonnet 5 or Qwen3.8 Max?+
There is no overall benchmark winner: An overall winner requires at least two decisive benchmarks from at least two original publishers.
Can Claude Sonnet 5 or Qwen3.8 Max be self-hosted?+
Both models have the same recorded self-hosting status: unsupported. Claude Sonnet 5 is not marked open weight; Qwen3.8 Max is not marked open weight.
Can Claude Sonnet 5 and Qwen3.8 Max understand images?+
Claude Sonnet 5 is documented with image input; Qwen3.8 Max is documented with image input. This reflects supported input modalities, not vision quality.
Which can generate longer answers, Claude Sonnet 5 or Qwen3.8 Max?+
Qwen3.8 Max has the larger sourced maximum output: Claude Sonnet 5 supports 128K and Qwen3.8 Max supports 131K output tokens.
Do Claude Sonnet 5 and Qwen3.8 Max support reasoning and tool use?+
Claude Sonnet 5: reasoning, tool calling, and image input. Qwen3.8 Max: reasoning, tool calling, and image input. Feature support does not establish relative quality.
Which is available from more inference providers, Claude Sonnet 5 or Qwen3.8 Max?+
Claude Sonnet 5 has 3 sourced provider routes; Qwen3.8 Max has 4, so Qwen3.8 Max has broader tracked availability.
Which offers better value, Claude Sonnet 5 or Qwen3.8 Max?+
There is no universal value winner. Compare the input and output prices above with the matched benchmark result for your workload: cheaper tokens can be offset by different quality, token usage, latency, or provider availability.