LLM Reference

Gemini 3.1 Pro Preview Custom Tools vs Qwen3-Max

Gemini 3.1 Pro Preview Custom Tools (2026) and Qwen3-Max (2025) are general-purpose language models from Google DeepMind and Alibaba. Gemini 3.1 Pro Preview Custom Tools ships a 1m-token context window, while Qwen3-Max ships a 262k-token context window. This comparison covers specs, pricing, API access, capabilities, benchmarks, input and output token costs, and production fit for coding and agent workloads. It focuses on practical selection signals rather than broad model-family marketing.

Gemini 3.1 Pro Preview Custom Tools is safer overall; choose Qwen3-Max when vision-heavy evaluation matters.

Decision scorecard

Local evidence first
SignalGemini 3.1 Pro Preview Custom ToolsQwen3-Max
Best formultimodal apps and long-context analysismultimodal apps, tool-calling agents, and provider-routed production
Decision fitRAG, Long context, and VisionCoding, RAG, and Agents
Context window1m262k
Cheapest output$12/1M tokens$3.90/1M tokens
Provider routes1 tracked3 tracked
Shared benchmarks0 shared0 shared

Decision tradeoffs

Choose Gemini 3.1 Pro Preview Custom Tools when...
  • Gemini 3.1 Pro Preview Custom Tools has the larger context window for long prompts, retrieval packs, or transcript analysis.
  • Local decision data tags Gemini 3.1 Pro Preview Custom Tools for RAG, Long context, and Vision.
Choose Qwen3-Max when...
  • Qwen3-Max has the lower cheapest tracked output price at $3.90/1M tokens.
  • Qwen3-Max has broader tracked provider coverage for fallback and route flexibility.
  • Qwen3-Max uniquely exposes JSON / Tool use in local model data.
  • Local decision data tags Qwen3-Max 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-Max

Gemini 3.1 Pro Preview Custom Tools

$4,600

Cheapest tracked route/tier: OpenRouter

Qwen3-Max

$1,599

Cheapest tracked route/tier: OpenRouter

Estimated monthly gap: $3,001. Batch, cache, alternate speed tiers, and negotiated pricing are excluded from this local estimate.

Switch friction

Gemini 3.1 Pro Preview Custom Tools -> Qwen3-Max
  • Provider overlap exists on OpenRouter; start route-level A/B tests there.
  • Qwen3-Max is $8.10/1M tokens lower on cheapest tracked output pricing before cache, batch, or negotiated discounts.
  • Qwen3-Max adds JSON / Tool use in local capability data.
Qwen3-Max -> Gemini 3.1 Pro Preview Custom Tools
  • Provider overlap exists on OpenRouter; start route-level A/B tests there.
  • Gemini 3.1 Pro Preview Custom Tools is $8.10/1M tokens higher on cheapest tracked output pricing, so quality gains need to justify the spend.
  • Check replacement coverage for JSON / Tool use before moving production traffic.

Specs

Specification
Released2026-01-012025-04-28
Context window1m262k
Parameters——
ArchitectureDecoder OnlyDecoder Only
LicenseProprietaryApache 2.0OSI-approved
OpennessProprietaryOpen source
WeightsNot releasedUnknown
CodeUnknownUnknown
Commercial useCommercial use: conditionalCommercial use: permitted
Knowledge cutoff2025-012025-12

Pricing and availability

Pricing attributeGemini 3.1 Pro Preview Custom ToolsQwen3-Max
Input price$2/1M tokens
0-32,001t
$1.20/1M tokens
0-128,001t
$2.40/1M tokens
128,001t+
$3/1M tokens
Output price$12/1M tokens
0-32,001t
$6/1M tokens
0-128,001t
$12/1M tokens
128,001t+
$15/1M tokens
Providers
OpenRouter
OpenRouterVercel AI GatewayNovita AI

Capabilities

CapabilityGemini 3.1 Pro Preview Custom ToolsQwen3-Max
VisionYesYes
MultimodalYesYes
ReasoningNoNo
JSON / Tool useNoYes
Structured outputsYesYes
Code executionNoNo
IDE integrationNoNo
Computer useNoNo
Parallel agentsNoNo

Benchmarks

No shared benchmark scores are currently available for this pair.

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Model pages
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Last reviewed: 2026-06-29. Data sourced from public model cards and provider documentation.