Claude Opus 4.8 vs Gemma 4 12B: Benchmarks, Pricing & Capabilities Compared
TL;DR — Claude Opus 4.8 wins for reasoning + long-context · Gemma 4 12B wins for general use.
Claude Opus 4.8 Anthropic
- Released
- 2026-05-28
- Context window
- 1M tokens
- Input price
- $6.25 / Mtok
- Output price
- $25.00 / Mtok
Gemma 4 12B Google
- Released
- 2026-06-03
- Context window
- 131K tokens
- Input price
- $0.00 / Mtok
- Output price
- $0.00 / Mtok
Benchmark comparison
| Benchmark | Claude Opus 4.8 | Gemma 4 12B |
|---|---|---|
| GPQA Diamond | 92.0% ✓ | 75.3% |
| HLE | 45.7% ✓ | 14.8% |
| IF-Bench | 62.2% | 73.5% ✓ |
| LiveCodeBench Reasoning | 67.7% ✓ | 55.3% |
| SciCode | 53.5% ✓ | 38.2% |
| TAU2-bench | 94.4% ✓ | 36.3% |
| TerminalBench-Hard | 58.3% ✓ | 18.2% |
Pricing comparison
| Metric | Claude Opus 4.8 | Gemma 4 12B |
|---|---|---|
| Input ($/Mtok) | $6.25 | $0.00 |
| Output ($/Mtok) | $25.00 | $0.00 |
| Cached input ($/Mtok) | — | — |
| Cost per 1M-token roundtrip (1M in + 1M out) | $31.25 | $0.00 |
Context window & modalities
| Attribute | Claude Opus 4.8 | Gemma 4 12B |
|---|---|---|
| Context window | 1M tokens | 131K tokens |
| Input modalities | text, image | text, image, video |
| Output modalities | text | text |
| Knowledge cutoff | — | — |
Verdict by use case
Coding
Insufficient data
Basis: SWE-bench
No shared coding benchmark.
Reasoning
→ Claude Opus 4.8
Basis: GPQA Diamond
Claude Opus 4.8 92% vs Gemma 4 12B 75.3% on GPQA Diamond.
Math
Insufficient data
Basis: MATH / AIME
No shared math benchmark.
Long context
→ Claude Opus 4.8
Basis: Context window
Claude Opus 4.8 1M tokens vs Gemma 4 12B 131K tokens.
Cost
→ Gemma 4 12B
Basis: Input $/Mtok
Claude Opus 4.8 $6.25/Mtok vs Gemma 4 12B $0/Mtok input.
Changelog & releases
Claude Opus 4.8
Released 2026-05-28
Gemma 4 12B
Released 2026-06-03