LLM Reference

Grok 4 vs Qwen3.5-122B-A10B

Grok 4 (2025) and Qwen3.5-122B-A10B (2026) are frontier-tier reasoning models from xAI and Alibaba. Grok 4 ships a 256k-token context window, while Qwen3.5-122B-A10B ships a 262k-token context window. On MMLU PRO, Grok 4 leads by 0.3 pts. On pricing, Qwen3.5-122B-A10B costs $0.26/1M input tokens versus $1.25/1M for the alternative. This comparison covers specs, pricing, API access, capabilities, benchmarks, input and output token costs, and production fit for coding and agent workloads.

Qwen3.5-122B-A10B is ~381% cheaper at $0.26/1M; pay for Grok 4 only for coding workflow support.

Decision scorecard

Local evidence first
SignalGrok 4Qwen3.5-122B-A10B
Best forreasoning-heavy apps, multimodal apps, and tool-calling agentsreasoning-heavy apps, multimodal apps, and tool-calling agents
Decision fitCoding, RAG, and AgentsCoding, RAG, and Agents
Context window256k262k
Cheapest output$2.50/1M tokens$2.08/1M tokens
Provider routes4 tracked3 tracked
Shared benchmarksMMLU PRO leader6 shared

Decision tradeoffs

Choose Grok 4 when...
  • Grok 4 holds a shared-benchmark lead on MMLU PRO, ahead by 0.3 points.
  • Grok 4 has broader tracked provider coverage for fallback and route flexibility.
  • Grok 4 uniquely exposes Code execution in local model data.
  • Local decision data tags Grok 4 for Coding, RAG, and Agents.
Choose Qwen3.5-122B-A10B when...
  • Qwen3.5-122B-A10B holds a shared-benchmark lead on τ-bench, ahead by 0.6 points.
  • Qwen3.5-122B-A10B has the larger context window for long prompts, retrieval packs, or transcript analysis.
  • Qwen3.5-122B-A10B has the lower cheapest tracked output price at $2.08/1M tokens.
  • Local decision data tags Qwen3.5-122B-A10B 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.

Lower estimate Qwen3.5-122B-A10B

Grok 4

$1,625

Cheapest tracked route/tier: xAI Console

Qwen3.5-122B-A10B

$728

Cheapest tracked route/tier: OpenRouter

Estimated monthly gap: $897. Batch, cache, alternate speed tiers, and negotiated pricing are excluded from this local estimate.

Switch friction

Grok 4 -> Qwen3.5-122B-A10B
  • Provider overlap exists on OpenRouter; start route-level A/B tests there.
  • Qwen3.5-122B-A10B is $0.42/1M tokens lower on cheapest tracked output pricing before cache, batch, or negotiated discounts.
  • Check replacement coverage for Code execution before moving production traffic.
Qwen3.5-122B-A10B -> Grok 4
  • Provider overlap exists on OpenRouter; start route-level A/B tests there.
  • Grok 4 is $0.42/1M tokens higher on cheapest tracked output pricing, so quality gains need to justify the spend.
  • Grok 4 adds Code execution in local capability data.

Specs

Specification
Released2025-07-092026-02-24
Context window256k262k
Parameters—122B
ArchitectureDecoder OnlyMixture of Experts
LicenseProprietaryApache 2.0OSI-approved
OpennessProprietaryOpen source
WeightsNot releasedAvailable
CodeUnknownUnknown
Commercial useCommercial use: conditionalCommercial use: permitted
Knowledge cutoff--

Pricing and availability

Pricing attributeGrok 4Qwen3.5-122B-A10B
Input price$1.25/1M tokens$0.26/1M tokens
Output price$2.50/1M tokens$2.08/1M tokens
Providers
Microsoft FoundryOpenRouterReplicate APIxAI Console
OpenRouterAlibaba Cloud PAI-EASNovita AI

Capabilities

CapabilityGrok 4Qwen3.5-122B-A10B
VisionYesYes
MultimodalYesYes
ReasoningYesYes
JSON / Tool useYesYes
Structured outputsYesYes
Code executionYesNo
IDE integrationNoNo
Computer useNoNo
Parallel agentsNoNo

Benchmarks

BenchmarkGrok 4Qwen3.5-122B-A10B
MMLU PRO87.086.7
SWE-bench Verified76.772.0
Google-Proof Q&A87.585.7
LiveCodeBench79.078.9
Humanity's Last Exam25.425.3
τ-bench78.979.5

Continue comparing

Model pages
Labs and families
Related comparisons

Popular comparisons for Grok 4

Popular comparisons for Qwen3.5-122B-A10B

Last reviewed: 2026-07-10. Data sourced from public model cards and provider documentation.