Gemma 3 vs Phi 4 Multimodal Instruct
Gemma 3 (2025) and Phi 4 Multimodal Instruct (2025) are compact production models from Google DeepMind and Microsoft Research. Gemma 3 ships a not-yet-sourced context window, while Phi 4 Multimodal Instruct ships a 128k-token context window. On pricing, Gemma 3 costs $0.04/1M input tokens versus $0.90/1M 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 ~2150% cheaper at $0.04/1M; pay for Phi 4 Multimodal Instruct only for vision-heavy evaluation.
Decision scorecard
Local evidence first| Signal | Gemma 3 | Phi 4 Multimodal Instruct |
|---|---|---|
| Best for | provider-routed production | multimodal apps and provider-routed production |
| Decision fit | Classification and JSON / Tool use | Long context and Vision |
| Context window | — | 128k |
| Cheapest output | $0.08/1M tokens | $0.90/1M tokens |
| Provider routes | 3 tracked | 3 tracked |
| Shared benchmarks | 0 shared | 0 shared |
Decision tradeoffs
- Gemma 3 has the lower cheapest tracked output price at $0.08/1M tokens.
- Gemma 3 uniquely exposes Structured outputs in local model data.
- Local decision data tags Gemma 3 for Classification and JSON / Tool use.
- Phi 4 Multimodal Instruct has the larger context window for long prompts, retrieval packs, or transcript analysis.
- Phi 4 Multimodal Instruct uniquely exposes Vision and Multimodal in local model data.
- Local decision data tags Phi 4 Multimodal Instruct for Long context and Vision.
Monthly cost at traffic
Estimate token spend from the cheapest tracked input and output route or tier on this page.
Gemma 3
$52.00
Cheapest tracked route/tier: OpenRouter
Phi 4 Multimodal Instruct
$945
Cheapest tracked route/tier: Fireworks AI
Estimated monthly gap: $893. Batch, cache, alternate speed tiers, and negotiated pricing are excluded from this local estimate.
Switch friction
- No overlapping tracked provider route is sourced for Gemma 3 and Phi 4 Multimodal Instruct; plan for SDK, billing, or endpoint changes.
- Phi 4 Multimodal Instruct is $0.82/1M tokens higher on cheapest tracked output pricing, so quality gains need to justify the spend.
- Check replacement coverage for Structured outputs before moving production traffic.
- Phi 4 Multimodal Instruct adds Vision and Multimodal in local capability data.
- No overlapping tracked provider route is sourced for Phi 4 Multimodal Instruct and Gemma 3; plan for SDK, billing, or endpoint changes.
- Gemma 3 is $0.82/1M tokens lower on cheapest tracked output pricing before cache, batch, or negotiated discounts.
- Check replacement coverage for Vision and Multimodal before moving production traffic.
- Gemma 3 adds Structured outputs in local capability data.
Specs
Pricing and availability
| Pricing attribute | Gemma 3 | Phi 4 Multimodal Instruct |
|---|---|---|
| Input price | $0.04/1M tokens | $0.90/1M tokens |
| Output price | $0.08/1M tokens | $0.90/1M tokens |
| Providers |
Capabilities
| Capability | Gemma 3 | Phi 4 Multimodal Instruct |
|---|---|---|
| Vision | No | Yes |
| Multimodal | No | Yes |
| Reasoning | No | No |
| Function calling | No | No |
| Tool use | No | No |
| Structured outputs | Yes | No |
| 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 differs most on vision: Phi 4 Multimodal Instruct, multimodal input: Phi 4 Multimodal Instruct, and structured outputs: Gemma 3. Both models share the core language-model surface, 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 Phi 4 Multimodal Instruct lists $0.90/1M input and $0.90/1M output tokens on the cheapest tracked provider. A 70/30 input-output blend puts Gemma 3 lower by about $0.85 per million blended tokens. Availability is 3 providers versus 3, so concentration risk also matters.
Choose Gemma 3 when provider fit and lower input-token cost are central to the workload. Choose Phi 4 Multimodal Instruct when vision-heavy evaluation 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 Phi 4 Multimodal Instruct?
Gemma 3 is cheaper on tracked token pricing. Gemma 3 costs $0.04/1M input and $0.08/1M output tokens. Phi 4 Multimodal Instruct costs $0.90/1M input and $0.90/1M output tokens. Provider discounts or batch pricing can still change the final bill.
Is Gemma 3 or Phi 4 Multimodal Instruct open source?
Gemma 3 is listed under Gemma. Phi 4 Multimodal Instruct 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 vision, Gemma 3 or Phi 4 Multimodal Instruct?
Phi 4 Multimodal Instruct 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, Gemma 3 or Phi 4 Multimodal Instruct?
Phi 4 Multimodal Instruct 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, Gemma 3 or Phi 4 Multimodal Instruct?
Gemma 3 has the clearer documented structured outputs signal in this comparison. If structured outputs 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 Phi 4 Multimodal Instruct?
Gemma 3 is available on OpenRouter, Google AI Studio, and GCP Vertex AI. Phi 4 Multimodal Instruct is available on Fireworks AI, NVIDIA NIM, and Microsoft Foundry. Provider coverage can affect latency, region availability, compliance posture, and fallback options.
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Last reviewed: 2026-06-15. Data sourced from public model cards and provider documentation.