Model comparison
Gemma 4 E2B vs Grok 4.5
Head-to-head evidence from 10 shared benchmark results across 4 categories. Overall scores shown here use the public BenchAlign v5 ranking lane.
Public leaderboard positions: Gemma 4 E2B #162 (Estimated); Grok 4.5 #7 (Supported). Intervals and evidence labels describe ranking uncertainty, not a guarantee for a specific workload.
Evidence parity. Gemma 4 E2B and Grok 4.5 share 10 comparable benchmark results. 0 of 8 categories are comparable. 4 results are unique to Gemma 4 E2B; 17 to Grok 4.5.
Updated July 18, 2026- Shared results
- 10
- Gemma 4 E2B only
- 4
- Grok 4.5 only
- 17
- Comparable categories
- 0 / 8
Benchmark data for Gemma 4 E2B and Grok 4.5 is coming soon on BenchLM.
Confidence note. This is a partial-evidence comparison with 10 shared benchmark results across 4 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.
Grok 4.5 is priced at $2.00 input / $6.00 output per 1M tokens, versus $0.00 input / $0.00 output per 1M tokens for Gemma 4 E2B. Grok 4.5 has the larger context window at 500K, compared with 128K 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 | Grok 4.5 |
|---|---|---|---|
| Agentic | Gemma 4 E2BNot measured | MarginNo overlap | Grok 4.583.3 |
| Coding | Gemma 4 E2BNot measured | MarginNo overlap | Grok 4.564.7 |
| Knowledge | Gemma 4 E2B56.9 | MarginNo overlap | Grok 4.5Not measured |
Operational comparison
Runtime and commercial metrics are compared only when both models have a complete sourced value.
| Metric | Gemma 4 E2B | Grok 4.5 | Comparison |
|---|---|---|---|
| Input / output priceUSD per 1M tokens | Gemma 4 E2B$0 input / $0 output | Grok 4.5$2 input / $6 output | Gemma 4 E2B has the lower combined listed price. |
| Generation speedtokens per second | Gemma 4 E2BNot available | Grok 4.5Not available | A complete speed comparison is not available. |
| First-answer latencyseconds to first token | Gemma 4 E2BNot available | Grok 4.5Not available | A complete latency comparison is not available. |
| Context windowmaximum listed tokens | Gemma 4 E2B128K | Grok 4.5500K | Grok 4.5 lists the larger context window. |
Benchmark Deep Dive
Agentic12 benchmarks
| Benchmark | Gemma 4 E2B | Grok 4.5 | Result |
|---|---|---|---|
| τ²-bench resultsSource | 20.8% | — | Not comparable |
| Terminal-Bench 2.0Source | — | 83.3% | Not comparable |
| deepSweSource | — | 53% | Not comparable |
| AA Agentic IndexSource | — | 45.7% | Not comparable |
| GDPval-AASource | — | 51.7% | Not comparable |
| GDPval-AASource | — | 1535 | Not comparable |
| AA BriefcaseSource | — | 1323 | Not comparable |
| AA AutomationBenchSource | — | 51.4% | Not comparable |
| AA EnterpriseOps-GymSource | — | 40.8% | Not comparable |
| AA Harvey LABSource | — | 13.3% | Not comparable |
| AA Tau3 BankingSource | — | 32.6% | Not comparable |
| aaTerminalBench21Source | — | 81.6% | Not comparable |
Coding6 benchmarks
Reasoning2 benchmarks
Knowledge8 benchmarks
| Benchmark | Gemma 4 E2B | Grok 4.5 | Result |
|---|---|---|---|
| GPQASource | 43.4% | — | Not comparable |
| MMLU-ProSource | 60% | — | Not comparable |
| Artificial Analysis Intelligence IndexSource | 9.3% | 53.8% | Grok 4.5 leads |
| AA-GPQA DiamondSource | 43.3% | 93.1% | Grok 4.5 leads |
| AA-HLESource | 4.8% | 40.3% | Grok 4.5 leads |
| AA-Omniscience IndexSource | -24.0% | 26.4% | Grok 4.5 leads |
| AA-Omniscience AccuracySource | 6.7% | 52.1% | Grok 4.5 leads |
| AA-Omniscience Hallucination RateSource | 32.9% | 53.5% | Gemma 4 E2B leads |
Multimodal2 benchmarks
Inst. Following1 benchmarks
| Benchmark | Gemma 4 E2B | Grok 4.5 | Result |
|---|---|---|---|
| AA-IFBenchSource | 38.0% | — | Not comparable |
Frequently Asked Questions (3)
Can I compare Gemma 4 E2B and Grok 4.5 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 Grok 4.5 today?
Gemma 4 E2B: $0.00 input / $0.00 output per 1M tokens Grok 4.5: $2.00 input / $6.00 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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