Claude Sonnet 4.5 vs Qwen3.8 Max
Model Markets Rankings
Intelligence, Cost, and Efficiency
| Ranking | Claude Sonnet 4.5 | 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 4.5 | Qwen3.8-Max |
|---|---|---|
| LMArena Text Arenatext-2026-09-01-011508720696 · arena_rating · leader | 1,433.9597% of row best · rating · claude-sonnet-4-5-20250929-high-32k; 95% CI [1431.13754052, 1436.75329939]; votes 81031; rank 79 | 1,479.56100% of row best · rating · qwen3.8-max; 95% CI [1473.34740586, 1485.77213629]; votes 13136; rank 12 |
| ToneBench2026-08-28-10-task-cd9819ab6e4d · overall_score · leader | 77.2595% of row best · points · Claude Sonnet 4.5 · 2,441 output tokens / case | 81.06100% of row best · points · Qwen3.8 Max · 23,334 output tokens / case |
| Overall ResultCounted from the protocol-matched rows above | 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 4.5 | Qwen3.8-Max |
|---|---|---|
| Developer | Anthropic | Qwen |
| Family | Claude 4 | Qwen3 8 Max |
| Model | Claude Sonnet 4.5 | Qwen3.8-Max |
| Version | Claude Sonnet 4.5 | Qwen3.8-Max |
| Lifecycle | active | active |
| Released | 2025-09-29 | Unknown |
| Knowledge cutoff | 2025-01-01 | Unknown |
| Input modalities | Text, Image | Text, Image, Video |
| Output modalities | Text | Text |
| Context window | 200K | 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) | Alibaba Cloud Model Studio (Standard), Deepinfra (Standard), Fireworks Ai (Standard), Openrouter (Standard) |
| Capabilities | chat, generation, reasoning, structured_outputs, tools | agents, chat, reasoning, structured_outputs, tools, vision |
13 comparable fields · 8 material differences · Pair passes the primary-source comparison gate
Claude Sonnet 4.5 Capabilities
Qwen3.8 Max Capabilities
Internal Comparison Graph
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Primary Evidence
Sources and Freshness
Questions
Claude Sonnet 4.5 vs Qwen3.8 Max FAQs
Is Claude Sonnet 4.5 or Qwen3.8 Max better for coding?+
This comparison does not currently contain a protocol-matched coding benchmark for both Claude Sonnet 4.5 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 4.5 or Qwen3.8 Max?+
Claude Sonnet 4.5 is $3.00 and Qwen3.8 Max is $1.65 per million tokens, so Qwen3.8 Max is cheaper on this metric. Claude Sonnet 4.5 is $15.00 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 4.5 or Qwen3.8 Max?+
Qwen3.8 Max has the larger sourced context window. Claude Sonnet 4.5 supports 200K and Qwen3.8 Max supports 1,000K.
Which performs better in benchmarks, Claude Sonnet 4.5 or Qwen3.8 Max?+
Qwen3.8 Max leads the current overall benchmark count. The result uses 2 protocol-matched benchmarks from 2 publishers; it is not a universal quality score.
Can Claude Sonnet 4.5 or Qwen3.8 Max be self-hosted?+
Both models have the same recorded self-hosting status: unsupported. Claude Sonnet 4.5 is not marked open weight; Qwen3.8 Max is not marked open weight.
Can Claude Sonnet 4.5 and Qwen3.8 Max understand images?+
Claude Sonnet 4.5 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 4.5 or Qwen3.8 Max?+
Qwen3.8 Max has the larger sourced maximum output: Claude Sonnet 4.5 supports 64K and Qwen3.8 Max supports 131K output tokens.
Do Claude Sonnet 4.5 and Qwen3.8 Max support reasoning and tool use?+
Claude Sonnet 4.5: 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 4.5 or Qwen3.8 Max?+
Claude Sonnet 4.5 has 1 sourced provider route; Qwen3.8 Max has 4, so Qwen3.8 Max has broader tracked availability.
Which offers better value, Claude Sonnet 4.5 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.