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ModelCap

Head-to-head comparison

Qwen3.7 Plus vs Grok 4.20 Multi-Agent

Qwen3.7 Plus (Qwen) and Grok 4.20 Multi-Agent (xAI) compared on the ModelCap Index, API price, context window, provider availability, weight access and every public benchmark board they share. Figures are the same ones shown on the live rankings; nothing here is a hidden score.

Snapshot as of 23 September 2026

As of 23 September 2026, Grok 4.20 Multi-Agent holds the stronger ModelCap Index position (#18 vs #30); Qwen3.7 Plus is 2× cheaper per output token ($1.28/1M vs $2.50/1M); and Grok 4.20 Multi-Agent offers the longer context window (2M vs 1M tokens).

Which should you choose?

Choose Qwen3.7 Plus if…

  • API cost matters — $1.28/1M output tokens against $2.50/1M, about 2× cheaper.
  • your workload is prompt-heavy — input tokens cost $0.32/1M against $1.25/1M.
  • you want the more recently listed model — Qwen3.7 Plus was listed 3 June 2026, Grok 4.20 Multi-Agent 31 March 2026.

Choose Grok 4.20 Multi-Agent if…

  • you want the stronger overall ModelCap Index position — #18 against #30 (81.2 vs 73.4 points).
  • you need the longer context window — 2M tokens against 1M.
  • Arena coding is your yardstick — 1508 against 1501.

Qwen3.7 Plus vs Grok 4.20 Multi-Agent: specs, pricing and context

Specification comparison of Qwen3.7 Plus and Grok 4.20 Multi-Agent
FieldQwen3.7 PlusQwenGrok 4.20 Multi-AgentxAI
ModelCap Index position#30#18
Index score73.481.2
EvidenceMeasuredMeasured
Input price / 1M tokens$0.32$1.25
Output price / 1M tokens$1.28$2.50
Context window1M tokens2M tokens
Max output tokens131K1.8M
API providers listed11
Weight accessAPI onlyAPI only
Input modalitiesText, ImageText, Image, File
First listed3 June 202631 March 2026
PublisherQwenxAI

Evidence: 4 public benchmark observations across 4 boards · 2 public benchmark observations across 2 boards. Prices are the lowest listed API offer per million tokens observed on the OpenRouter catalogue.

Benchmark scores: Qwen3.7 Plus vs Grok 4.20 Multi-Agent

Public benchmark boards where Qwen3.7 Plus or Grok 4.20 Multi-Agent has a published result
BoardQwen3.7 PlusGrok 4.20 Multi-AgentLeads
Arena codingArena (LMArena)15011494–150815081502–1514Beta · 0309Grok 4.20 Multi-Agent
LMArena AgentLMArena-6.1%-7.3%–-4.9%—Only one result
AA Intelligence IndexArtificial Analysis25.2intelligence-index:v4.3:reasoning-unspecified—Only one result
AA τ²-Bench TelecomArtificial Analysis93.0%tau2:telecom:dual-control:pass-at-1:3-repeats:source-model="Qwen3.7 Plus":reasoning=true—Only one result
AA Humanity's Last ExamArtificial Analysis35.6%hle:may-2025:text-only-2158:no-tools:pass-at-1:source-model="Qwen3.7 Plus":reasoning=true—Only one result

Scores are the sources' own published figures for each model's best evaluated configuration; ModelCap never re-runs a benchmark.

Want a different pairing? Open the interactive comparison tool to swap either model for any current ranked language model.

Qwen3.7 Plus vs Grok 4.20 Multi-Agent: common questions

Is Qwen3.7 Plus better than Grok 4.20 Multi-Agent?

Grok 4.20 Multi-Agent ranks higher on the ModelCap Index as of 23 September 2026: #18 against #30. That is a capability ranking built from public benchmark evidence with published uncertainty; whether it is "better" for you also depends on price, context and where you can run it. Their published uncertainty intervals overlap, so the rank difference alone does not establish a reliable capability advantage for your workload.

Is Qwen3.7 Plus cheaper than Grok 4.20 Multi-Agent?

Qwen3.7 Plus is cheaper on output tokens: $1.28/1M against $2.50/1M. Input tokens are $0.32/1M for Qwen3.7 Plus and $1.25/1M for Grok 4.20 Multi-Agent. Prices are the lowest listed API offer ModelCap observed, in USD per million tokens. For 1,000 requests with 2,000 input and 500 output tokens each (2M input + 0.5M output), the listed-rate estimate is $1.28 for Qwen3.7 Plus versus $3.75 for Grok 4.20 Multi-Agent. Qwen3.7 Plus costs 65.9% less in this scenario. This excludes caching, batch discounts, prompt-length tiers, tool charges and retries; verify the selected endpoint before budgeting.

Which has the bigger context window, Qwen3.7 Plus or Grok 4.20 Multi-Agent?

Grok 4.20 Multi-Agent has the larger context window: 2M tokens against 1M.

Which is better for coding, Qwen3.7 Plus or Grok 4.20 Multi-Agent?

Arena coding: Qwen3.7 Plus 1501, Grok 4.20 Multi-Agent 1508 — Grok 4.20 Multi-Agent leads.

Are Qwen3.7 Plus and Grok 4.20 Multi-Agent open-weight models?

Qwen3.7 Plus: API only. Grok 4.20 Multi-Agent: API only. Open weights mean the checkpoint can be downloaded and self-hosted under its licence; API-only models are available solely through hosted endpoints.

Where can I run Qwen3.7 Plus and Grok 4.20 Multi-Agent?

ModelCap currently lists 1 API provider for Qwen3.7 Plus and 1 for Grok 4.20 Multi-Agent, from the OpenRouter catalogue snapshot the site serves; each model page lists the providers and their prices.

How current is this Qwen3.7 Plus vs Grok 4.20 Multi-Agent comparison?

Every figure comes from the sealed ModelCap dataset published 23 September 2026; the page re-renders within a minute of each data refresh, and the ModelCap Index positions are the same ones shown on the live rankings.

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