Qwen3.8 Max vs Grok 4.3
Model Markets Rankings
Intelligence, Cost, and Efficiency
| Ranking | Qwen3.8-Max | Grok 4.3 |
|---|---|---|
| CostLower is better · Published-token output estimate | #19 of 36$0.107 per LiveBench case | #6 of 36$0.028 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 | Qwen3.8-Max | Grok 4.3 |
|---|---|---|
| LMArena Agent Arenaagent-2026-08-31-011508720696 · outcome_score · leader | 6.01100% of row best · score · Qwen3.8 Max; 95% CI [4.88117795, 7.13339178]; sessions 18386; observations 1372080; rank 14 | -18.8177% of row best · score · Grok 4.3; 95% CI [-20.43612107, -17.19188295]; sessions 82745; observations 1299547; rank 55 |
| LMArena Text Arenatext-2026-09-01-011508720696 · arena_rating · leader | 1,479.56100% of row best · rating · qwen3.8-max; 95% CI [1473.34740586, 1485.77213629]; votes 13136; rank 12 | 1,397.9794% of row best · rating · grok-4.3; 95% CI [1394.22069381, 1401.72787538]; votes 65024; rank 141 |
| LMArena Vision Arenavision-2026-08-27-011508720696 · arena_rating · leader | 1,312.86100% of row best · rating · qwen3.8-max; 95% CI [1304.57707433, 1321.13715544]; votes 7244; rank 6 | 1,227.7794% of row best · rating · grok-4.3; 95% CI [1221.16111143, 1234.37137614]; votes 20787; rank 65 |
| LiveBench2026-06-25 · overall · leader | 81.88100% of row best · percent · qwen3.8-max · 21,637 output tokens / case | 69.2785% of row best · percent · grok-4.3 · 11,184 output tokens / case |
| ToneBench2026-08-28-10-task-cd9819ab6e4d · overall_score · leader | 81.06100% of row best · points · Qwen3.8 Max · 23,334 output tokens / case | 74.9192% of row best · points · Grok 4.3 (high) · 5,154 output tokens / case |
| Overall ResultCounted from the protocol-matched rows above | 5 benchmark winsOverall lead | 0 benchmark wins |
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 | Qwen3.8-Max | Grok 4.3 |
|---|---|---|
| Developer | Qwen | xAI |
| Family | Qwen3 8 Max | Grok 4 |
| Model | Qwen3.8-Max | Grok 4.3 |
| Version | Qwen3.8-Max | Grok 4.3 |
| Lifecycle | active | active |
| Released | Unknown | 2026-06-17 |
| Knowledge cutoff | Unknown | Unknown |
| Input modalities | Text, Image, Video | Text, Image |
| Output modalities | Text | Text |
| Context window | 1,000K | 1,000K |
| Total parameters | 2.4T | Unknown |
| Active parameters | Unknown | Unknown |
| License | Unknown | Unknown |
| Open weights | No | No |
| API available | Yes | Yes |
| Self-hostable | No | No |
| Provider access | Alibaba Cloud Model Studio (Standard), Deepinfra (Standard), Fireworks Ai (Standard), Openrouter (Standard) | Xai (Standard) |
| Capabilities | agents, chat, reasoning, structured_outputs, tools, vision | chat, generation, reasoning, structured_outputs, tools |
13 comparable fields · 7 material differences · Pair passes the primary-source comparison gate
Qwen3.8 Max Capabilities
Grok 4.3 Capabilities
Internal Comparison Graph
Related Comparisons
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|---|---|---|---|
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Qwen3.8-MaxQwen | vs |  GLM-5.3Z.ai | cross-developer peerstext |
Qwen3.8-MaxQwen | vs |  Hy4 previewTencent | cross-developer peerstext |
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| vs | Qwen3.8-MaxQwen | cross-developer peersimage, text |
Primary Evidence
Sources and Freshness
Questions
Qwen3.8 Max vs Grok 4.3 FAQs
Is Qwen3.8 Max or Grok 4.3 better for coding?+
This comparison does not currently contain a protocol-matched coding benchmark for both Qwen3.8 Max and Grok 4.3, so Model Markets cannot name a coding leader from pricing, context size, or capability labels alone.
Which is cheaper, Qwen3.8 Max or Grok 4.3?+
Qwen3.8 Max is $1.65 and Grok 4.3 is $1.25 per million tokens, so Grok 4.3 is cheaper on this metric. Qwen3.8 Max is $4.951 and Grok 4.3 is $2.50 per million tokens, so Grok 4.3 is cheaper on this metric.
Which has a larger context window, Qwen3.8 Max or Grok 4.3?+
Neither model has a larger sourced context window in this comparison. Qwen3.8 Max is 1,000K and Grok 4.3 is 1,000K.
Which performs better in benchmarks, Qwen3.8 Max or Grok 4.3?+
Qwen3.8 Max leads the current overall benchmark count. The result uses 5 protocol-matched benchmarks from 3 publishers; it is not a universal quality score.
Can Qwen3.8 Max or Grok 4.3 be self-hosted?+
Both models have the same recorded self-hosting status: unsupported. Qwen3.8 Max is not marked open weight; Grok 4.3 is not marked open weight.
Can Qwen3.8 Max and Grok 4.3 understand images?+
Qwen3.8 Max is documented with image input; Grok 4.3 is documented with image input. This reflects supported input modalities, not vision quality.
Which can generate longer answers, Qwen3.8 Max or Grok 4.3?+
Neither has a larger sourced maximum output. Qwen3.8 Max is 131K and Grok 4.3 is —.
Do Qwen3.8 Max and Grok 4.3 support reasoning and tool use?+
Qwen3.8 Max: reasoning, tool calling, and image input. Grok 4.3: reasoning, tool calling, and image input. Feature support does not establish relative quality.
Which is available from more inference providers, Qwen3.8 Max or Grok 4.3?+
Qwen3.8 Max has 4 sourced provider routes; Grok 4.3 has 1, so Qwen3.8 Max has broader tracked availability.
Which offers better value, Qwen3.8 Max or Grok 4.3?+
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.