Qwen3.5 397B A17B vs Grok 4.3

At a Glance

Compare
Intelligence, Cost, and Efficiency
IntelligenceHigher is better · MM Intelligence v2.5UnrankedNot in the 46-model eligible cohort#40 of 4616.6 score · 2/3 sources · provisional · missing ARC-AGI-2 · full-core range 11.1–44.4
CostLower is better · Published-token output estimateUnrankedNot in the 44-model eligible cohort#7 of 44$0.028 per LiveBench case
EfficiencyHigher is better · MM Efficiency v1.5UnrankedNot in the 38-model eligible cohort#33 of 3846.0 score · 2/3 sources · provisional · missing ARC-AGI-2 · full-core range 43.3–59.9
Pricing and Limits
Input priceFrom · USD / 1M tokens$0.45Deepinfra · Sep 21, 2026$1.25Xai · Sep 3, 2026
Output priceFrom · USD / 1M tokens$3.00Deepinfra · Sep 21, 2026$2.50Xai · Sep 3, 2026
Context windowMaximum documented tokens262K1,000K
Model facts checkedAug 28, 2026View model evidence →Sep 3, 2026View model evidence →

Token prices are the lowest available sourced USD rates; input and output may use different providers. Cost ranking estimates output spend on LiveBench, not a full request bill. Ranking methodology →

Available Benchmarks

All benchmark results →
BenchmarkQwen3.5-397B-A17BGrok 4.3
LMArena Text Arenatext-2026-09-13-d25aabda0010 · arena_rating · leader1,438.26100% of row best · rating · qwen3.5-397b-a17b; 95% CI [1434.97391785, 1441.55191176]; votes 77007; rank 711,397.7397% of row best · rating · grok-4.3; 95% CI [1394.01930088, 1401.44639527]; votes 66801; rank 145
LMArena Vision Arenavision-2026-09-13-d25aabda0010 · arena_rating · leader1,265.15100% of row best · rating · qwen3.5-397b-a17b; 95% CI [1259.44632362, 1270.86149272]; votes 27569; rank 421,229.4797% of row best · rating · grok-4.3; 95% CI [1223.17337452, 1235.75913440]; votes 22688; rank 67
Overall ResultCounted from the protocol-matched rows above2 benchmark winsNo overall winner0 benchmark winsNo overall winner

Third-party benchmark Only like-for-like primary-publisher results are shown; raw scores, relative scores, configuration, and token spend remain visible.

Side-by-Side Facts

FieldQwen3.5-397B-A17BGrok 4.3
DeveloperQwenxAI
FamilyQwen3 5 397b A17bGrok 4
ModelQwen3.5-397B-A17BGrok 4.3
VersionQwen3.5-397B-A17BGrok 4.3
Lifecycleactiveactive
Released2026-02-152026-06-17
Knowledge cutoffUnknownUnknown
Input modalitiesText, ImageText, Image
Output modalitiesTextText
Context window262K1,000K
Total parameters403.4BUnknown
Active parameters17BUnknown
Licenseapache-2.0Unknown
Open weightsYesNo
API availableYesYes
Self-hostableYesNo
Provider accessDeepinfra (Standard), Hugging Face (Standard), Openrouter (Standard), Together Ai (Standard)Xai (Standard)
Capabilitieschat, generation, reasoning, toolschat, generation, reasoning, structured_outputs, tools

Qwen3.5 397B A17B Capabilities

chatgenerationreasoningtools
Serving providers4
Canonical IDQwen/Qwen3.5-397B-A17B

Grok 4.3 Capabilities

chatgenerationreasoningstructured outputstools
Serving providers1
Canonical IDxai/grok-4.3

Primary Evidence

Sources and Freshness

Questions

Qwen3.5 397B A17B vs Grok 4.3 FAQs

Is Qwen3.5 397B A17B or Grok 4.3 better for coding?+

This comparison does not currently contain a protocol-matched coding benchmark for both Qwen3.5 397B A17B and Grok 4.3, so Model Markets cannot name a coding leader from pricing, context size, or capability labels alone.

Which is cheaper, Qwen3.5 397B A17B or Grok 4.3?+

Qwen3.5 397B A17B is $0.45 and Grok 4.3 is $1.25 per million tokens, so Qwen3.5 397B A17B is cheaper on this metric. Qwen3.5 397B A17B is $3.00 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, Qwen3.5 397B A17B or Grok 4.3?+

Grok 4.3 has the larger sourced context window. Qwen3.5 397B A17B supports 262K and Grok 4.3 supports 1,000K.

Which performs better in benchmarks, Qwen3.5 397B A17B or Grok 4.3?+

There is no overall benchmark winner: An overall winner requires at least two decisive benchmarks from at least two original publishers.

Can Qwen3.5 397B A17B or Grok 4.3 be self-hosted?+

Qwen3.5 397B A17B is the only model in this pair currently marked as self-hostable. Qwen3.5 397B A17B is open weight; Grok 4.3 is not marked open weight.

Can Qwen3.5 397B A17B and Grok 4.3 understand images?+

Qwen3.5 397B A17B 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, Qwen3.5 397B A17B or Grok 4.3?+

Neither has a larger sourced maximum output. Qwen3.5 397B A17B is — and Grok 4.3 is —.

Do Qwen3.5 397B A17B and Grok 4.3 support reasoning and tool use?+

Qwen3.5 397B A17B: 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, Qwen3.5 397B A17B or Grok 4.3?+

Qwen3.5 397B A17B has 4 sourced provider routes; Grok 4.3 has 1, so Qwen3.5 397B A17B has broader tracked availability.

Which offers better value, Qwen3.5 397B A17B 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.

Send Feedback