Gemma 3 12B vs Phi-4 14B
Gemma 3 12B (2026) and Phi-4 14B (2024) are compact production models from Google DeepMind and Microsoft Research. Gemma 3 12B ships a 33k-token context window, while Phi-4 14B ships a 16k-token context window. On pricing, Gemma 3 12B costs $0.04/1M input tokens versus $0.07/1M 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 12B is ~63% cheaper at $0.04/1M; pay for Phi-4 14B only for provider fit.
Decision scorecard
Local evidence first| Signal | Gemma 3 12B | Phi-4 14B |
|---|---|---|
| Best for | provider-routed production | provider-routed production |
| Decision fit | Classification and JSON / Tool use | Classification and JSON / Tool use |
| Context window | 33k | 16k |
| Cheapest output | $0.13/1M tokens | $0.14/1M tokens |
| Provider routes | 5 tracked | 3 tracked |
| Shared benchmarks | 0 shared | 0 shared |
Decision tradeoffs
- Gemma 3 12B has the larger context window for long prompts, retrieval packs, or transcript analysis.
- Gemma 3 12B has the lower cheapest tracked output price at $0.13/1M tokens.
- Gemma 3 12B has broader tracked provider coverage for fallback and procurement flexibility.
- Local decision data tags Gemma 3 12B for Classification and JSON / Tool use.
- Local decision data tags Phi-4 14B 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.
Gemma 3 12B
$64.50
Cheapest tracked route/tier: OpenRouter
Phi-4 14B
$87.00
Cheapest tracked route/tier: OpenRouter
Estimated monthly gap: $22.50. 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.
- Phi-4 14B is $0.01/1M tokens higher on cheapest tracked output pricing, so quality gains need to justify the spend.
- Provider overlap exists on OpenRouter; start route-level A/B tests there.
- Gemma 3 12B is $0.01/1M tokens lower on cheapest tracked output pricing before cache, batch, or negotiated discounts.
Specs
Pricing and availability
| Pricing attribute | Gemma 3 12B | Phi-4 14B |
|---|---|---|
| Input price | $0.04/1M tokens | $0.07/1M tokens |
| Output price | $0.13/1M tokens | $0.14/1M tokens |
| Providers |
Capabilities
| Capability | Gemma 3 12B | Phi-4 14B |
|---|---|---|
| Vision | No | No |
| Multimodal | No | 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 scores are currently available for this pair.
Deep dive
The capability footprint is close: both models cover structured outputs. That makes context budget, benchmark fit, and provider maturity more important than a simple checklist. If your application depends on one integration detail, verify it against the provider route you plan to use, not just the base model listing.
For cost, Gemma 3 12B lists $0.04/1M input and $0.13/1M output tokens on the cheapest tracked provider, while Phi-4 14B lists $0.07/1M input and $0.14/1M output tokens on the cheapest tracked provider. A 70/30 input-output blend puts Gemma 3 12B lower by about $0.02 per million blended tokens. Availability is 5 providers versus 3, so concentration risk also matters.
Choose Gemma 3 12B when long-context analysis, larger context windows, and lower input-token cost are central to the workload. Choose Phi-4 14B when provider fit 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 has a larger context window, Gemma 3 12B or Phi-4 14B?
Gemma 3 12B supports 33k tokens, while Phi-4 14B supports 16k tokens. That gap matters most for long documents, large codebases, retrieval-heavy agents, and conversations where earlier context must remain visible.
Which is cheaper, Gemma 3 12B or Phi-4 14B?
Gemma 3 12B is cheaper on tracked token pricing. Gemma 3 12B costs $0.04/1M input and $0.13/1M output tokens. Phi-4 14B costs $0.07/1M input and $0.14/1M output tokens. Provider discounts or batch pricing can still change the final bill.
Is Gemma 3 12B or Phi-4 14B open source?
Gemma 3 12B is listed under Gemma. Phi-4 14B is listed under MIT. 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 structured outputs, Gemma 3 12B or Phi-4 14B?
Both Gemma 3 12B and Phi-4 14B 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 Gemma 3 12B and Phi-4 14B?
Gemma 3 12B is available on Cloudflare Workers AI, AWS Bedrock, OpenRouter, GCP Vertex AI, and Novita AI. Phi-4 14B is available on OpenRouter, Fireworks AI, and Microsoft Foundry. Provider coverage can affect latency, region availability, compliance posture, and fallback options.
When should I pick Gemma 3 12B over Phi-4 14B?
Gemma 3 12B is ~63% cheaper at $0.04/1M; pay for Phi-4 14B only for provider fit. If your workload also depends on long-context analysis, start with Gemma 3 12B; if it depends on provider fit, run the same evaluation with Phi-4 14B.
Continue comparing
Last reviewed: 2026-06-15. Data sourced from public model cards and provider documentation.