Gemma 3 27B vs o3
Head-to-head comparison across 0benchmark categories. Overall scores shown here use BenchLM's provisional ranking lane.
Verdict
o3 leads for most workloads.
Based on BenchLM composite scores, July 2026.
Gemma 3 27B
21
o3
54
Benchmark data for Gemma 3 27B and o3 is coming soon on BenchLM.
Category Radar
Head-to-Head by Category
Operational Comparison
Gemma 3 27B
o3
$0 / $0
$2 / $8
31 t/s
118 t/s
2.04s
5.38s
32K
200K
Quick Verdict
Benchmark data for Gemma 3 27B and o3 is coming soon on BenchLM.
BenchLM has partial data for these models, but not enough overlapping benchmark coverage to produce a fair score-level comparison yet.
o3 is priced at $2.00 input / $8.00 output per 1M tokens, versus $0.00 input / $0.00 output per 1M tokens for Gemma 3 27B. o3 has the larger context window at 200K, compared with 32K for Gemma 3 27B.
Benchmark Deep Dive
Frequently Asked Questions (3)
Can I compare Gemma 3 27B and o3 on BenchLM yet?
Not fully yet. BenchLM is tracking both models, but the sourced benchmark breakdown for this comparison is still coming soon.
Why does this comparison show “coming soon”?
BenchLM only shows category winners and benchmark-level calls when we have sourced results that can be compared fairly. For these models, the public benchmark coverage is not complete enough yet.
What data is available for Gemma 3 27B and o3 today?
Gemma 3 27B: $0.00 input / $0.00 output per 1M tokens o3: $2.00 input / $8.00 output per 1M tokens Both model pages still include creator, context window, reasoning mode, and other metadata while benchmark coverage fills in.
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