ModelRefs / o3 vs Gemma 3 27B — Benchmarks, Pricing & Coding Comparison
o3 vs Gemma 3 27B — Benchmarks, Pricing & Coding Comparison
o3 vs Gemma 3 27B: side-by-side benchmarks, pricing, context windows, coding ability and deployment. Pick the right model for your stack.
Overview
o3: o3 is OpenAI's extended-thinking reasoning model, applying deliberate chain-of-thought computation to excel on mathematics, science, and competitive programming tasks. Released in April 2025, it introduced OpenAI's scalable test-time compute approach at production scale.
Context window: Gemma 3 27B accepts up to 128,000 tokens, o3 up to 200,000. Confirm the limit for your specific deployment channel before relying on it.
Gemma 3 27B vs o3 at a glance
| Attribute | Gemma 3 27B | o3 |
|---|---|---|
| Provider | OpenAI | |
| Released | 2025-02-01 | 2025-04-01 |
| Context window | 128,000 tokens | 200,000 tokens |
| Input price | $0.1/M tokens | $10/M tokens |
| Output price | $0.3/M tokens | $40/M tokens |
| Licence | Gemma | Proprietary |
| Self-hostable | Yes, open weights | No, hosted only |
| Modalities | text, vision | text, vision |
Where they differ most
- Cost Efficiency: Gemma 3 27B 95%, o3 13%. Gemma 3 27B leads on this dimension.
- Reasoning: Gemma 3 27B 82%, o3 83%. o3 leads on this dimension.
Capability scores are ModelRefs' own derived signals, not vendor claims or benchmark results. Validate against your own workload before relying on them.
Continue your research
Use these connected ModelRefs sections to compare alternatives, inspect implementation paths, and review the evidence and governance boundaries relevant to o3 vs Gemma 3 27B — Benchmarks, Pricing & Coding Comparison.
Frequently asked questions
Which is better, o3 or Gemma 3 27B?
o3 and Gemma 3 27B target different workloads — see the benchmark and pricing tables for a side-by-side answer.
Is o3 cheaper than Gemma 3 27B?
Compare $0.0100 vs $0.00010 on this page.