Gemini 3.1 Pro vs GPT-5.6 Terra: pricing, Quality, Value, and benchmarks

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Pricing, app access, and Conversation Value

• Humanity's Last Exam

  Normalized quality input

  44.4%

  Google DeepMind Gemini 3.1 Pro comparison table | Vendor-published cross-model comparison table. Treat this as current official evidence, not neutral third-party benchmarking.

• AA-Omniscience

  AA-Omniscience Index

  32.9

  Artificial Analysis AA-Omniscience evaluation | Independent Artificial Analysis result for Gemini 3.1 Pro Preview. Display-only; this row does not affect Quality or Value scores.

• SWE-Bench Pro

  Normalized quality input

  54.2%

  Google DeepMind Gemini 3.1 Pro comparison table | Vendor-published cross-model comparison table. Treat this as current official evidence, not neutral third-party benchmarking.

• GPQA Diamond

  Normalized quality input

  94.3%

  Google DeepMind Gemini 3.1 Pro comparison table | Vendor-published cross-model comparison table. Treat this as current official evidence, not neutral third-party benchmarking.

• Humanity's Last Exam

  Normalized quality input

  41.8%

  Artificial Analysis GPT-5.6 Terra max analysis page | Independent Artificial Analysis HLE result for the max-reasoning model variant. Treat as tier-3 provisional evidence and do not describe it as OpenAI-published no-tools HLE.

• AA-Omniscience

  AA-Omniscience Index

  -0.2

  Artificial Analysis AA-Omniscience evaluation | Independent Artificial Analysis result for GPT-5.6 Terra (max). Display-only; this row does not affect Quality or Value scores.

• SWE-Bench Pro

  Normalized quality input

  63.4%

  OpenAI GPT-5.6 release | OpenAI official GPT-5.6 launch table. Results are vendor-reported and must retain the named model tier, reasoning setting, benchmark version, and harness caveats.

• GPQA Diamond

  Normalized quality input

  92.9%

  OpenAI GPT-5.6 release | OpenAI official GPT-5.6 launch table. Results are vendor-reported and must retain the named model tier, reasoning setting, benchmark version, and harness caveats.

Choose this when you need the highest reasoning ceiling available and can feed it text, images, audio, or video in the same request.

Gemini 3.1 Pro is the ultimate all-in-one creative partner. It does more than chat; it builds. From generating cinematic video and studio-quality music to managing your life through seamless Google Workspace integration, it turns complex tasks into instant results. It is the fastest, most versatile tool for turning ideas into reality without needing a technical degree. True multimodality means it can create stunning video, professional images, and high-fidelity music in seconds. Its massive context window lets it remember entire books or long documents, so you do not have to repeat yourself. It works inside Gmail, Docs, and Drive to automate daily chores. It also delivers high-level reasoning and instant answers without the lag of older models. If you want an AI that acts as a creative studio, personal assistant, and expert researcher all in one subscription, Gemini 3.1 Pro is the gold standard.

The balanced GPT-5.6 option for everyday work, trading some peak capability for lower cost.

GPT-5.6 Terra is the balanced tier for everyday professional and coding workloads. It gives up some peak performance versus Sol in exchange for lower token pricing, making it the practical default when both capability and cost matter.