Model comparison
Gemma 4 26B A4B vs Grok 4.5
Head-to-head evidence from 14 shared benchmark results across 5 categories. Overall scores shown here use BenchLM's provisional ranking lane.
Evidence parity. Gemma 4 26B A4B and Grok 4.5 share 14 comparable benchmark results. 0 of 8 categories are comparable. 7 results are unique to Gemma 4 26B A4B; 13 to Grok 4.5.
Updated July 14, 2026- Shared results
- 14
- Gemma 4 26B A4B only
- 7
- Grok 4.5 only
- 13
- Comparable categories
- 0 / 8
Benchmark data for Gemma 4 26B A4B and Grok 4.5 is coming soon on BenchLM.
Confidence note. This is a partial-evidence comparison with 14 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.
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 26B A4B. Grok 4.5 has the larger context window at 500K, compared with 256K for Gemma 4 26B A4B.
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 26B A4B | Δ | Grok 4.5 |
|---|---|---|---|
| Agentic | Gemma 4 26B A4BNot measured | MarginNo overlap | Grok 4.583.3 |
| Coding | Gemma 4 26B A4BNot measured | MarginNo overlap | Grok 4.564.7 |
| Knowledge | Gemma 4 26B A4B43.8 | MarginNo overlap | Grok 4.5Not measured |
| Multimodal | Gemma 4 26B A4B73.8 | 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 26B A4B | Grok 4.5 | Comparison |
|---|---|---|---|
| Input / output priceUSD per 1M tokens | Gemma 4 26B A4B$0 input / $0 output | Grok 4.5$2 input / $6 output | Gemma 4 26B A4B has the lower combined listed price. |
| Generation speedtokens per second | Gemma 4 26B A4BNot available | Grok 4.5Not available | A complete speed comparison is not available. |
| First-answer latencyseconds to first token | Gemma 4 26B A4BNot available | Grok 4.5Not available | A complete latency comparison is not available. |
| Context windowmaximum listed tokens | Gemma 4 26B A4B256K | Grok 4.5500K | Grok 4.5 lists the larger context window. |
Benchmark Deep Dive
Agentic11 benchmarks
| Benchmark | Gemma 4 26B A4B | Grok 4.5 | Result |
|---|---|---|---|
| AA Agentic IndexSource | 11.0% | 45.7% | Grok 4.5 leads |
| Tau2-TelecomSource | 43.6% | — | Not comparable |
| GDPval-AASource | 13.1% | 51.9% | Grok 4.5 leads |
| GDPval-AASource | 761 | 1539 | Grok 4.5 leads |
| Terminal-Bench 2.0Source | — | 83.3% | Not comparable |
| deepSweSource | — | 53% | Not comparable |
| AA BriefcaseSource | — | 1324 | 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 |
Coding8 benchmarks
| Benchmark | Gemma 4 26B A4B | Grok 4.5 | Result |
|---|---|---|---|
| AA Coding IndexSource | 39.3% | 72.5% | Grok 4.5 leads |
| Terminal-Bench HardSource | 13.6% | — | Not comparable |
| AA-SciCodeSource | 40.0% | 54.1% | Grok 4.5 leads |
| SWE-bench ProSource | — | 64.7% | Not comparable |
| SWE MultilingualSource | — | 78% | Not comparable |
| Terminal-Bench 2.0Source | — | 83.3% | Not comparable |
| cursorBench32Source | — | 66.7% | Not comparable |
| AA Terminal-Bench 2.1Source | — | 81.6% | Not comparable |
Reasoning2 benchmarks
Knowledge9 benchmarks
| Benchmark | Gemma 4 26B A4B | Grok 4.5 | Result |
|---|---|---|---|
| MMLU-ProSource | 82.6% | — | Not comparable |
| HLESource | 17.2% | — | Not comparable |
| HLE w/o toolsSource | 8.7% | — | Not comparable |
| Artificial Analysis Intelligence IndexSource | 25.7% | 53.8% | Grok 4.5 leads |
| AA-GPQA DiamondSource | 79.2% | 93.1% | Grok 4.5 leads |
| AA-HLESource | 18.3% | 40.3% | Grok 4.5 leads |
| AA-Omniscience IndexSource | -48.1% | 26.4% | Grok 4.5 leads |
| AA-Omniscience AccuracySource | 18.2% | 52.1% | Grok 4.5 leads |
| AA-Omniscience Hallucination RateSource | 80.9% | 53.5% | Grok 4.5 leads |
Multimodal3 benchmarks
Inst. Following1 benchmarks
| Benchmark | Gemma 4 26B A4B | Grok 4.5 | Result |
|---|---|---|---|
| AA-IFBenchSource | 72.4% | — | Not comparable |
Frequently Asked Questions (3)
Can I compare Gemma 4 26B A4B 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 26B A4B and Grok 4.5 today?
Gemma 4 26B A4B: $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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