LLM Reference

Gemma 3 vs Qwen3.5-27B

Gemma 3 (2025) and Qwen3.5-27B (2026) are frontier reasoning models from Google DeepMind and Alibaba. Gemma 3 ships a not-yet-sourced context window, while Qwen3.5-27B ships a 262k-token context window. On pricing, Gemma 3 costs $0.04/1M input tokens versus $0.20/1M 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.

Gemma 3 is ~388% cheaper at $0.04/1M; pay for Qwen3.5-27B only for reasoning depth.

Decision scorecard

Local evidence first
SignalGemma 3Qwen3.5-27B
Best forprovider-routed productionreasoning-heavy apps, multimodal apps, and tool-calling agents
Decision fitClassification and JSON / Tool useRAG, Agents, and Long context
Context window262k
Cheapest output$0.08/1M tokens$1.56/1M tokens
Provider routes3 tracked4 tracked
Shared benchmarks0 rows0 rows

Decision tradeoffs

Choose Gemma 3 when...
  • Gemma 3 has the lower cheapest tracked output price at $0.08/1M tokens.
  • Local decision data tags Gemma 3 for Classification and JSON / Tool use.
Choose Qwen3.5-27B when...
  • Qwen3.5-27B has the larger context window for long prompts, retrieval packs, or transcript analysis.
  • Qwen3.5-27B has broader tracked provider coverage for fallback and procurement flexibility.
  • Qwen3.5-27B uniquely exposes Vision, Multimodal, and Reasoning in local model data.
  • Local decision data tags Qwen3.5-27B for RAG, Agents, and Long context.

Monthly cost at traffic

Estimate token spend from the cheapest tracked input and output route or tier on this page.

Lower estimate Gemma 3

Gemma 3

$52.00

Cheapest tracked route/tier: OpenRouter

Qwen3.5-27B

$546

Cheapest tracked route/tier: OpenRouter

Estimated monthly gap: $494. Batch, cache, alternate speed tiers, and negotiated pricing are excluded from this local estimate.

Switch friction

Gemma 3 -> Qwen3.5-27B
  • Provider overlap exists on OpenRouter; start route-level A/B tests there.
  • Qwen3.5-27B is $1.48/1M tokens higher on cheapest tracked output pricing, so quality gains need to justify the spend.
  • Qwen3.5-27B adds Vision, Multimodal, and Reasoning in local capability data.
Qwen3.5-27B -> Gemma 3
  • Provider overlap exists on OpenRouter; start route-level A/B tests there.
  • Gemma 3 is $1.48/1M tokens lower on cheapest tracked output pricing before cache, batch, or negotiated discounts.
  • Check replacement coverage for Vision, Multimodal, and Reasoning before moving production traffic.

Specs

Specification
Released2025-03-122026-02-24
Context window262k
Parameters27B
Architecturedecoder onlydecoder only
LicenseGemmaApache 2.0(OSI)
OpennessOpen weightsOpen source
Commercial useCommercial use with conditionsCommercial use allowed
Knowledge cutoff2025-01-

Pricing and availability

Pricing attributeGemma 3Qwen3.5-27B
Input price$0.04/1M tokens$0.20/1M tokens
Output price$0.08/1M tokens$1.56/1M tokens
Providers

Capabilities

CapabilityGemma 3Qwen3.5-27B
VisionNoYes
MultimodalNoYes
ReasoningNoYes
Function callingNoYes
Tool useNoYes
Structured outputsYesYes
Code executionNoNo
IDE integrationNoNo
Computer useNoNo
Parallel agentsNoNo

Benchmarks

No shared benchmark rows are currently sourced for this pair.

Deep dive

The capability footprint differs most on vision: Qwen3.5-27B, multimodal input: Qwen3.5-27B, reasoning mode: Qwen3.5-27B, function calling: Qwen3.5-27B, and tool use: Qwen3.5-27B. 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, Gemma 3 lists $0.04/1M input and $0.08/1M output tokens on the cheapest tracked provider, while Qwen3.5-27B lists $0.20/1M input and $1.56/1M output tokens on the cheapest tracked provider. A 70/30 input-output blend puts Gemma 3 lower by about $0.55 per million blended tokens. Availability is 3 providers versus 4, so concentration risk also matters.

Choose Gemma 3 when provider fit and lower input-token cost are central to the workload. Choose Qwen3.5-27B when reasoning depth 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, Gemma 3 or Qwen3.5-27B?

Gemma 3 is cheaper on tracked token pricing. Gemma 3 costs $0.04/1M input and $0.08/1M output tokens. Qwen3.5-27B costs $0.20/1M input and $1.56/1M output tokens. Provider discounts or batch pricing can still change the final bill.

Is Gemma 3 or Qwen3.5-27B open source?

Gemma 3 is listed under Gemma. Qwen3.5-27B 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, Gemma 3 or Qwen3.5-27B?

Qwen3.5-27B 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. Use this as a quick comparison signal, then confirm the provider-specific limits before committing to production.

Which is better for multimodal input, Gemma 3 or Qwen3.5-27B?

Qwen3.5-27B 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 reasoning mode, Gemma 3 or Qwen3.5-27B?

Qwen3.5-27B has the clearer documented reasoning mode signal in this comparison. If reasoning mode is mission-critical, validate it against the provider endpoint because model-level support and API-level exposure can differ.

Where can I run Gemma 3 and Qwen3.5-27B?

Gemma 3 is available on OpenRouter, Google AI Studio, and GCP Vertex AI. Qwen3.5-27B is available on DeepInfra, OpenRouter, Alibaba Cloud PAI-EAS, and Novita AI. Provider coverage can affect latency, region availability, compliance posture, and fallback options.

Continue comparing

Last reviewed: 2026-05-22. Data sourced from public model cards and provider documentation.