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Head-to-head comparison

GPT-5.6 Terra vs Qwen3.7 Plus

GPT-5.6 Terra (OpenAI) and Qwen3.7 Plus (Qwen) 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, GPT-5.6 Terra holds the stronger ModelCap Index position (#21 vs #30); and Qwen3.7 Plus is 9.4× cheaper per output token ($1.28/1M vs $12.00/1M).

Which should you choose?

Choose GPT-5.6 Terra if…

  • you want the stronger overall ModelCap Index position — #21 against #30 (79.9 vs 73.8 points).
  • you want provider choice — 3 listed API providers against 1.
  • Arena coding is your yardstick — 1518 against 1501.
  • LMArena Agent is your yardstick — 1.4% against -6.1%.
  • AA Intelligence Index is your yardstick — 42.1 against 25.2.
  • AA Humanity's Last Exam is your yardstick — 42.9% against 35.6%.
  • you want the more recently listed model — GPT-5.6 Terra was listed 9 July 2026, Qwen3.7 Plus 3 June 2026.

Choose Qwen3.7 Plus if…

  • API cost matters — $1.28/1M output tokens against $12.00/1M, about 9.4× cheaper.
  • your workload is prompt-heavy — input tokens cost $0.32/1M against $2.00/1M.
  • AA τ²-Bench Telecom is your yardstick — 93.0% against 86.3%.

GPT-5.6 Terra vs Qwen3.7 Plus: specs, pricing and context

Specification comparison of GPT-5.6 Terra and Qwen3.7 Plus
FieldGPT-5.6 TerraOpenAIQwen3.7 PlusQwen
ModelCap Index position#21#30
Index score79.973.8
EvidenceMeasuredMeasured
Input price / 1M tokens$2.00$0.32
Output price / 1M tokens$12.00$1.28
Context window1M tokens1M tokens
Max output tokens128K131K
API providers listed31
Weight accessAPI onlyAPI only
Input modalitiesFile, Image, TextText, Image
First listed9 July 20263 June 2026
PublisherOpenAIQwen

Evidence: 6 public benchmark observations across 6 boards · 4 public benchmark observations across 4 boards. Prices are the lowest listed API offer per million tokens observed on the OpenRouter catalogue.

Benchmark scores: GPT-5.6 Terra vs Qwen3.7 Plus

Public benchmark boards where GPT-5.6 Terra or Qwen3.7 Plus has a published result
BoardGPT-5.6 TerraQwen3.7 PlusLeads
Arena codingArena (LMArena)15181510–1525X-High15011494–1508GPT-5.6 Terra
LMArena AgentLMArena1.4%0.3%–2.6%X-High-6.1%-7.3%–-4.9%GPT-5.6 Terra
ARC-AGI-2ARC Prize Foundation83.9%Max—Only one result
ARC-AGI-3ARC Prize Foundation0.8%Max—Only one result
AA Intelligence IndexArtificial Analysis42.1intelligence-index:v4.3:max25.2intelligence-index:v4.3:reasoning-unspecifiedGPT-5.6 Terra
AA τ²-Bench TelecomArtificial Analysis86.3%tau2:telecom:dual-control:pass-at-1:3-repeats:source-model="GPT-5.6 Terra (max)":reasoning=true93.0%tau2:telecom:dual-control:pass-at-1:3-repeats:source-model="Qwen3.7 Plus":reasoning=trueQwen3.7 Plus
AA Humanity's Last ExamArtificial Analysis42.9%hle:may-2025:text-only-2158:no-tools:pass-at-1:source-model="GPT-5.6 Terra (max)":reasoning=true35.6%hle:may-2025:text-only-2158:no-tools:pass-at-1:source-model="Qwen3.7 Plus":reasoning=trueGPT-5.6 Terra
Terminal-Bench 4.0Terminal-Bench (Laude Institute)21.5%18.3%–24.8%Codex · Max—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.

GPT-5.6 Terra vs Qwen3.7 Plus: common questions

Is GPT-5.6 Terra better than Qwen3.7 Plus?

GPT-5.6 Terra ranks higher on the ModelCap Index as of 23 September 2026: #21 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 GPT-5.6 Terra cheaper than Qwen3.7 Plus?

Qwen3.7 Plus is cheaper on output tokens: $1.28/1M against $12.00/1M. Input tokens are $2.00/1M for GPT-5.6 Terra and $0.32/1M for Qwen3.7 Plus. 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 $10.00 for GPT-5.6 Terra versus $1.28 for Qwen3.7 Plus. Qwen3.7 Plus costs 87.2% 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, GPT-5.6 Terra or Qwen3.7 Plus?

Both publish a 1M-token context window.

Which is better for coding, GPT-5.6 Terra or Qwen3.7 Plus?

Arena coding: GPT-5.6 Terra 1518, Qwen3.7 Plus 1501 — GPT-5.6 Terra leads.

Are GPT-5.6 Terra and Qwen3.7 Plus open-weight models?

GPT-5.6 Terra: API only. Qwen3.7 Plus: 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 GPT-5.6 Terra and Qwen3.7 Plus?

ModelCap currently lists 3 API providers for GPT-5.6 Terra and 1 for Qwen3.7 Plus, from the OpenRouter catalogue snapshot the site serves; each model page lists the providers and their prices.

How current is this GPT-5.6 Terra vs Qwen3.7 Plus 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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