Model comparison
Gemma 4 E2B vs GPT-4o
Head-to-head evidence from 11 shared benchmark results across 5 categories. Overall scores shown here use the public BenchAlign v5 ranking lane.
Public leaderboard positions: Gemma 4 E2B #162 (Estimated); GPT-4o #165 (Supported). Intervals and evidence labels describe ranking uncertainty, not a guarantee for a specific workload.
Evidence parity. Gemma 4 E2B and GPT-4o share 11 comparable benchmark results. 0 of 8 categories are comparable. 3 results are unique to Gemma 4 E2B; 2 to GPT-4o.
Updated July 23, 2026- Shared results
- 11
- Gemma 4 E2B only
- 3
- GPT-4o only
- 2
- Comparable categories
- 0 / 8
Benchmark data for Gemma 4 E2B and GPT-4o is coming soon on BenchLM.
Confidence note. This is a partial-evidence comparison with 11 shared benchmark results across 5 evidence categories; 0 of 8 categories currently have scoreable aggregates for both models. Treat the verdict as directional until coverage is more balanced.
Why this result
BenchLM has partial data for these models, but not enough overlapping benchmark coverage to produce a fair score-level comparison yet.
GPT-4o is priced at $2.50 input / $10.00 output per 1M tokens, versus $0.00 input / $0.00 output per 1M tokens for Gemma 4 E2B.
Category breakdown
Exact category averages are shown below. Not measured means BenchLM does not have enough sourced public coverage for that model and category.
| Category | Gemma 4 E2B | Δ | GPT-4o |
|---|---|---|---|
| Knowledge | Gemma 4 E2B56.9 | MarginNo overlap | GPT-4oNot measured |
| Math | Gemma 4 E2BNot measured | MarginNo overlap | GPT-4o0.3 |
Operational comparison
Runtime and commercial metrics are compared only when both models have a complete sourced value.
| Metric | Gemma 4 E2B | GPT-4o | Comparison |
|---|---|---|---|
| Input / output priceUSD per 1M tokens | Gemma 4 E2B$0 input / $0 output | GPT-4o$2.5 input / $10 output | Gemma 4 E2B has the lower combined listed price. |
| Generation speedtokens per second | Gemma 4 E2BNot available | GPT-4o131 tok/s | A complete speed comparison is not available. |
| First-answer latencyseconds to first token | Gemma 4 E2BNot available | GPT-4o0.81 s | A complete latency comparison is not available. |
| Context windowmaximum listed tokens | Gemma 4 E2B128K | GPT-4o128K | Listed context windows are equal. |
Benchmark Deep Dive
Agentic1 benchmarks
| Benchmark | Gemma 4 E2B | GPT-4o | Result |
|---|---|---|---|
| τ²-bench resultsSource | 20.8% | 25.1% | GPT-4o leads |
Coding1 benchmarks
| Benchmark | Gemma 4 E2B | GPT-4o | Result |
|---|---|---|---|
| AA-SciCodeSource | 20.9% | 33.3% | GPT-4o leads |
Reasoning2 benchmarks
Knowledge8 benchmarks
| Benchmark | Gemma 4 E2B | GPT-4o | Result |
|---|---|---|---|
| GPQASource | 43.4% | — | Not comparable |
| MMLU-ProSource | 60% | — | Not comparable |
| Artificial Analysis Intelligence IndexSource | 9.3% | 11.2% | GPT-4o leads |
| AA-GPQA DiamondSource | 37.5% | 54.3% | GPT-4o leads |
| AA-HLESource | 4.8% | 3.3% | Gemma 4 E2B leads |
| AA-Omniscience IndexSource | -24.0% | -10.7% | GPT-4o leads |
| AA-Omniscience AccuracySource | 6.7% | 19.7% | GPT-4o leads |
| AA-Omniscience Hallucination RateSource | 32.9% | 37.9% | Gemma 4 E2B leads |
Math1 benchmarks
| Benchmark | Gemma 4 E2B | GPT-4o | Result |
|---|---|---|---|
| FrontierMath v2 (Tiers 1-3)Source | — | 0.345% | Not comparable |
Multimodal2 benchmarks
Inst. Following1 benchmarks
| Benchmark | Gemma 4 E2B | GPT-4o | Result |
|---|---|---|---|
| AA-IFBenchSource | 35.1% | 34.3% | Gemma 4 E2B leads |
Frequently Asked Questions (3)
Can I compare Gemma 4 E2B and GPT-4o 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 4 E2B and GPT-4o today?
Gemma 4 E2B: $0.00 input / $0.00 output per 1M tokens GPT-4o: $2.50 input / $10.00 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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