Gemini 3.1 Pro Preview Custom Tools vs Qwen3-Next-80B-A3B
Gemini 3.1 Pro Preview Custom Tools (2026) and Qwen3-Next-80B-A3B (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-Next-80B-A3B ships a not-yet-sourced context window. On pricing, Qwen3-Next-80B-A3B costs $0.10/1M input tokens versus $2/1M 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-Next-80B-A3B is ~1951% cheaper at $0.10/1M; pay for Gemini 3.1 Pro Preview Custom Tools only for vision-heavy evaluation.
Decision scorecard
Local evidence first| Signal | Gemini 3.1 Pro Preview Custom Tools | Qwen3-Next-80B-A3B |
|---|---|---|
| Best for | multimodal apps and long-context analysis | provider-routed production |
| Decision fit | RAG, Long context, and Vision | Classification and JSON / Tool use |
| Context window | 1m | — |
| Cheapest output | $12/1M tokens | $0.78/1M tokens |
| Provider routes | 1 tracked | 4 tracked |
| Shared benchmarks | 0 rows | 0 rows |
Decision tradeoffs
- Gemini 3.1 Pro Preview Custom Tools has the larger context window for long prompts, retrieval packs, or transcript analysis.
- Gemini 3.1 Pro Preview Custom Tools uniquely exposes Vision and Multimodal in local model data.
- Local decision data tags Gemini 3.1 Pro Preview Custom Tools for RAG, Long context, and Vision.
- Qwen3-Next-80B-A3B has the lower cheapest tracked output price at $0.78/1M tokens.
- Qwen3-Next-80B-A3B has broader tracked provider coverage for fallback and procurement flexibility.
- Local decision data tags Qwen3-Next-80B-A3B for Classification and JSON / Tool use.
Monthly cost at traffic
Estimate token spend from the cheapest tracked input and output route or tier on this page.
Gemini 3.1 Pro Preview Custom Tools
$4,600
Cheapest tracked route/tier: OpenRouter
Qwen3-Next-80B-A3B
$273
Cheapest tracked route/tier: OpenRouter
Estimated monthly gap: $4,327. Batch, cache, alternate speed tiers, and negotiated pricing are excluded from this local estimate.
Switch friction
- Provider overlap exists on OpenRouter; start route-level A/B tests there.
- Qwen3-Next-80B-A3B is $11.22/1M tokens lower on cheapest tracked output pricing before cache, batch, or negotiated discounts.
- Check replacement coverage for Vision and Multimodal before moving production traffic.
- Provider overlap exists on OpenRouter; start route-level A/B tests there.
- Gemini 3.1 Pro Preview Custom Tools is $11.22/1M tokens higher on cheapest tracked output pricing, so quality gains need to justify the spend.
- Gemini 3.1 Pro Preview Custom Tools adds Vision and Multimodal in local capability data.
Specs
| Specification | ||
|---|---|---|
| Released | 2026-01-01 | 2025-12-01 |
| Context window | 1m | — |
| Parameters | — | 80B (3B active) |
| Architecture | decoder only | - |
| License | Proprietary | Apache 2.0(OSI) |
| Openness | Proprietary | Open source |
| Commercial use | Commercial use with conditions | Commercial use allowed |
| Knowledge cutoff | 2025-01 | - |
Pricing and availability
| Pricing attribute | Gemini 3.1 Pro Preview Custom Tools | Qwen3-Next-80B-A3B |
|---|---|---|
| Input price | $2/1M tokens | $0.10/1M tokens |
| Output price | $12/1M tokens | $0.78/1M tokens |
| Providers |
Capabilities
| Capability | Gemini 3.1 Pro Preview Custom Tools | Qwen3-Next-80B-A3B |
|---|---|---|
| Vision | Yes | No |
| Multimodal | Yes | No |
| Reasoning | No | No |
| Function calling | No | No |
| Tool use | No | No |
| Structured outputs | Yes | Yes |
| Code execution | No | No |
| IDE integration | No | No |
| Computer use | No | No |
| Parallel agents | No | No |
Benchmarks
No shared benchmark rows are currently sourced for this pair.
Deep dive
The capability footprint differs most on vision: Gemini 3.1 Pro Preview Custom Tools and multimodal input: Gemini 3.1 Pro Preview Custom Tools. Both models share structured outputs, so the practical split is not just feature count. Use those differences to decide whether the page is about raw model quality, agentic coding support, multimodal ingestion, or predictable structured API behavior.
For cost, Gemini 3.1 Pro Preview Custom Tools lists $2/1M input and $12/1M output tokens on the cheapest tracked provider, while Qwen3-Next-80B-A3B lists $0.10/1M input and $0.78/1M output tokens on the cheapest tracked provider. A 70/30 input-output blend puts Qwen3-Next-80B-A3B lower by about $4.70 per million blended tokens. Availability is 1 providers versus 4, so concentration risk also matters.
Choose Gemini 3.1 Pro Preview Custom Tools when vision-heavy evaluation are central to the workload. Choose Qwen3-Next-80B-A3B when provider fit, lower input-token cost, and broader provider choice are more important. For production, rerun your own prompts through the exact provider, region, and tool stack you plan to ship. This keeps the decision grounded in measurable tradeoffs instead of brand-level assumptions. It also helps separate model capability from provider packaging, which can change cost and latency.
FAQ
Which is cheaper, Gemini 3.1 Pro Preview Custom Tools or Qwen3-Next-80B-A3B?
Qwen3-Next-80B-A3B is cheaper on tracked token pricing. Gemini 3.1 Pro Preview Custom Tools costs $2/1M input and $12/1M output tokens. Qwen3-Next-80B-A3B costs $0.10/1M input and $0.78/1M output tokens. Provider discounts or batch pricing can still change the final bill.
Is Gemini 3.1 Pro Preview Custom Tools or Qwen3-Next-80B-A3B open source?
Gemini 3.1 Pro Preview Custom Tools is listed under Proprietary. Qwen3-Next-80B-A3B is listed under Apache 2.0. License labels affect whether you can self-host, redistribute weights, or rely only on hosted APIs, so confirm the upstream license before deployment.
Which is better for vision, Gemini 3.1 Pro Preview Custom Tools or Qwen3-Next-80B-A3B?
Gemini 3.1 Pro Preview Custom Tools has the clearer documented vision signal in this comparison. If vision is mission-critical, validate it against the provider endpoint because model-level support and API-level exposure can differ.
Which is better for multimodal input, Gemini 3.1 Pro Preview Custom Tools or Qwen3-Next-80B-A3B?
Gemini 3.1 Pro Preview Custom Tools has the clearer documented multimodal input signal in this comparison. If multimodal input is mission-critical, validate it against the provider endpoint because model-level support and API-level exposure can differ.
Which is better for structured outputs, Gemini 3.1 Pro Preview Custom Tools or Qwen3-Next-80B-A3B?
Both Gemini 3.1 Pro Preview Custom Tools and Qwen3-Next-80B-A3B expose structured outputs. The better choice depends on benchmark fit, context budget, pricing, and whether your provider route exposes the same capability surface.
Where can I run Gemini 3.1 Pro Preview Custom Tools and Qwen3-Next-80B-A3B?
Gemini 3.1 Pro Preview Custom Tools is available on OpenRouter. Qwen3-Next-80B-A3B is available on AWS Bedrock, OpenRouter, Venice AI, and Novita AI. Provider coverage can affect latency, region availability, compliance posture, and fallback options.
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Last reviewed: 2026-06-04. Data sourced from public model cards and provider documentation.