Model comparison
Claude 4.1 Opus Thinking vs Gemma 4 12B
Head-to-head evidence from 9 shared benchmark results across 6 categories. Overall scores shown here use the public BenchAlign v5 ranking lane.
Public leaderboard positions: Claude 4.1 Opus Thinking #184 (Supported); Gemma 4 12B #137 (Estimated). Intervals and evidence labels describe ranking uncertainty, not a guarantee for a specific workload.
Evidence parity. Claude 4.1 Opus Thinking and Gemma 4 12B share 9 comparable benchmark results. 0 of 8 categories are comparable. 0 results are unique to Claude 4.1 Opus Thinking; 14 to Gemma 4 12B.
Updated July 23, 2026- Shared results
- 9
- Claude 4.1 Opus Thinking only
- 0
- Gemma 4 12B only
- 14
- Comparable categories
- 0 / 8
Benchmark data for Claude 4.1 Opus Thinking and Gemma 4 12B is coming soon on BenchLM.
Confidence note. This is a partial-evidence comparison with 9 shared benchmark results across 6 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.
Gemma 4 12B has the larger context window at 256K, compared with 200K for Claude 4.1 Opus Thinking.
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 4.1 Opus Thinking | Δ | Gemma 4 12B |
|---|---|---|---|
| Reasoning | Claude 4.1 Opus ThinkingNot measured | MarginNo overlap | Gemma 4 12B43.4 |
| Knowledge | Claude 4.1 Opus ThinkingNot measured | MarginNo overlap | Gemma 4 12B77.5 |
| Math | Claude 4.1 Opus ThinkingNot measured | MarginNo overlap | Gemma 4 12B77.5 |
| Multimodal | Claude 4.1 Opus ThinkingNot 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 4.1 Opus Thinking | Gemma 4 12B | Comparison |
|---|---|---|---|
| Input / output priceUSD per 1M tokens | Claude 4.1 Opus ThinkingNot available | Gemma 4 12BNot available | A complete price comparison is not available. |
| Generation speedtokens per second | Claude 4.1 Opus Thinking29 tok/s | Gemma 4 12BNot available | A complete speed comparison is not available. |
| First-answer latencyseconds to first token | Claude 4.1 Opus Thinking15.00 s | Gemma 4 12BNot available | A complete latency comparison is not available. |
| Context windowmaximum listed tokens | Claude 4.1 Opus Thinking200K | Gemma 4 12B256K | Gemma 4 12B lists the larger context window. |
Benchmark Deep Dive
Agentic1 benchmarks
| Benchmark | Claude 4.1 Opus Thinking | Gemma 4 12B | Result |
|---|---|---|---|
| τ²-bench resultsSource | 71.4% | 36.3% | Claude 4.1 Opus Thinking leads |
Coding1 benchmarks
| Benchmark | Claude 4.1 Opus Thinking | Gemma 4 12B | Result |
|---|---|---|---|
| AA-SciCodeSource | 40.9% | 38.2% | Claude 4.1 Opus Thinking leads |
Reasoning4 benchmarks
Knowledge11 benchmarks
| Benchmark | Claude 4.1 Opus Thinking | Gemma 4 12B | Result |
|---|---|---|---|
| Artificial Analysis Intelligence IndexSource | 33.7% | 22.0% | Claude 4.1 Opus Thinking leads |
| AA-GPQA DiamondSource | 80.9% | 75.3% | Claude 4.1 Opus Thinking leads |
| AA-HLESource | 11.9% | 14.8% | Gemma 4 12B 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 |
| AA-Omniscience IndexSource | — | -51.9% | Not comparable |
| AA-Omniscience AccuracySource | — | 16.0% | Not comparable |
| AA-Omniscience Hallucination RateSource | — | 80.8% | Not comparable |
Math1 benchmarks
| Benchmark | Claude 4.1 Opus Thinking | Gemma 4 12B | Result |
|---|---|---|---|
| AIME26Source | — | 77.5% | Not comparable |
Multimodal4 benchmarks
Inst. Following1 benchmarks
| Benchmark | Claude 4.1 Opus Thinking | Gemma 4 12B | Result |
|---|---|---|---|
| AA-IFBenchSource | 55.4% | 73.5% | Gemma 4 12B leads |
Frequently Asked Questions (3)
Can I compare Claude 4.1 Opus Thinking and Gemma 4 12B 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 Claude 4.1 Opus Thinking and Gemma 4 12B today?
Claude 4.1 Opus Thinking: Pricing unavailable Both model pages still include creator, context window, reasoning mode, and other metadata while benchmark coverage fills in.
Related Comparisons
Choose a model with this week’s evidence
Join 2,000+ readers for ranking moves, pricing changes, and the claims that still need proof.
One email each week. Unsubscribe anytime.