Model comparison
Claude Opus 4.7 vs Gemma 4 12B
Head-to-head evidence from 12 shared benchmark results across 6 categories. Overall scores shown here use the public BenchAlign v5 ranking lane.
Public leaderboard positions: Claude Opus 4.7 #12 (Supported); Gemma 4 12B #137 (Estimated). Intervals and evidence labels describe ranking uncertainty, not a guarantee for a specific workload.
Evidence parity. Claude Opus 4.7 and Gemma 4 12B share 12 comparable benchmark results. 1 of 8 categories are comparable. 9 results are unique to Claude Opus 4.7; 11 to Gemma 4 12B.
Updated July 23, 2026- Shared results
- 12
- Claude Opus 4.7 only
- 9
- Gemma 4 12B only
- 11
- Comparable categories
- 1 / 8
Pick Claude Opus 4.7 if you want the stronger benchmark profile. Gemma 4 12B only becomes the better choice if mathematics is the priority or you want the stronger reasoning-first profile.
Confidence note. This is a partial-evidence comparison with 12 shared benchmark results across 6 evidence categories; 1 of 8 categories currently have scoreable aggregates for both models. Treat the verdict as directional until coverage is more balanced.
Why this result
Claude Opus 4.7 is clearly ahead on the BenchAlign aggregate, 71.94 to 47.29. The gap is large enough that you do not need to squint at the spreadsheet to see the difference.
Gemma 4 12B is the reasoning model in the pair, while Claude Opus 4.7 is not. That usually helps on harder chain-of-thought-heavy tests, but it can also mean more latency and more token spend in real use. Claude Opus 4.7 gives you the larger context window at 1M, compared with 256K for Gemma 4 12B.
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 | Claude Opus 4.7 | Δ | Gemma 4 12B |
|---|---|---|---|
| Math | Claude Opus 4.738.6 | Margin→ 38.9 | Gemma 4 12B77.5 |
| Reasoning | Claude Opus 4.7Not measured | MarginNo overlap | Gemma 4 12B43.4 |
| Knowledge | Claude Opus 4.7Not measured | MarginNo overlap | Gemma 4 12B77.5 |
| Multimodal | Claude Opus 4.7Not measured | MarginNo overlap | Gemma 4 12B69.1 |
Operational comparison
Runtime and commercial metrics are compared only when both models have a complete sourced value.
| Metric | Claude Opus 4.7 | Gemma 4 12B | Comparison |
|---|---|---|---|
| Input / output priceUSD per 1M tokens | Claude Opus 4.7$5 input / $25 output | Gemma 4 12BNot available | A complete price comparison is not available. |
| Generation speedtokens per second | Claude Opus 4.7Not available | Gemma 4 12BNot available | A complete speed comparison is not available. |
| First-answer latencyseconds to first token | Claude Opus 4.7Not available | Gemma 4 12BNot available | A complete latency comparison is not available. |
| Context windowmaximum listed tokens | Claude Opus 4.71M | Gemma 4 12B256K | Claude Opus 4.7 lists the larger context window. |
Benchmark Deep Dive
Agentic4 benchmarks
Coding4 benchmarks
Reasoning4 benchmarks
Knowledge11 benchmarks
| Benchmark | Claude Opus 4.7 | Gemma 4 12B | Result |
|---|---|---|---|
| Artificial Analysis Intelligence IndexSource | 42.7% | 22.0% | Claude Opus 4.7 leads |
| AA-GPQA DiamondSource | 88.5% | 75.3% | Claude Opus 4.7 leads |
| AA-HLESource | 31.2% | 14.8% | Claude Opus 4.7 leads |
| AA-Omniscience IndexSource | 14.2% | -51.9% | Claude Opus 4.7 leads |
| AA-Omniscience AccuracySource | 43.5% | 16.0% | Claude Opus 4.7 leads |
| AA-Omniscience Hallucination RateSource | 51.9% | 80.8% | Claude Opus 4.7 leads |
| GPQASource | — | 78.8% | Not comparable |
| GPQA-DSource | — | 78.8% | Not comparable |
| MMLU-ProSource | — | 77.2% | Not comparable |
| HLE w/o toolsSource | — | 5.2% | Not comparable |
| MMMLUSource | — | 83.4% | Not comparable |
MathGemma 4 12B wins3 benchmarks
Multimodal5 benchmarks
Inst. Following1 benchmarks
| Benchmark | Claude Opus 4.7 | Gemma 4 12B | Result |
|---|---|---|---|
| AA-IFBenchSource | 43.6% | 73.5% | Gemma 4 12B leads |
Frequently Asked Questions (2)
Which is better, Claude Opus 4.7 or Gemma 4 12B?
Claude Opus 4.7 is ahead on BenchLM's BenchAlign leaderboard, 71.94 to 47.29.
Which is better for math, Claude Opus 4.7 or Gemma 4 12B?
Gemma 4 12B has the edge for math in this comparison, averaging 77.5 versus 38.6. Claude Opus 4.7 stays close enough that the answer can still flip depending on your workload.
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