Compare / head-to-head
Claude Opus 4.6vsGemini 3 Flash Preview
Claude Opus 4.6 leads 6 of 8 shared benchmarks. Gemini 3 Flash Preview has the larger context window (1.0M tokens).
Benchmarks from cited public sources; pricing from official pages; status from official provider feeds.
Shared benchmarks
6 – 2
Claude Opus 4.6 leads
Cheaper per token
—
list price, input + output
Larger context
Gemini 3 Flash Preview
1.0M tokens
Provider uptime (30d)
100% · 100%
Anthropic · Google
Claude Opus 4.6
Anthropic · released 2026-02-05
textvision
Gemini 3 Flash Preview
Google · released 2025-12-17
textvisionaudio
- Context
- 1.0M
- Max out
- 66K
- Input /1M
- —
- Output /1M
- —
- Cached /1M
- —
- Scores
- 13 · 9 core
Quality
Benchmark matrix
8 shared · 10 only Claude Opus 4.6 · 3 only Gemini 3 Flash Preview| Benchmark | Claude Opus 4.6 | Gemini 3 Flash Preview | Δ | Edge |
|---|---|---|---|---|
| Reported by both · 8 | ||||
| SWE-bench Verified | 80.8% ↗ | 78% ↗ | +2.8 pt | Claude Opus 4.6 |
| GPQA Diamond | 91.3% ↗ | 90.4% ↗ | +0.9 pt | Claude Opus 4.6 |
| FrontierMath Tier 4 v2 (Epoch AI run) | 26.8% ↗epoch | 17.1% ↗epoch | +9.7 pt | Claude Opus 4.6 |
| FrontierMath Tiers 1-3 v2 (Epoch AI run) | 66% ↗epoch | 51.2% ↗epoch | +14.8 pt | Claude Opus 4.6 |
| OTIS Mock AIME 2024-2025 (Epoch AI run) | 94.4% ↗epoch | 95.6% ↗epoch | -1.2 pt | Gemini 3 Flash Preview |
| SimpleQA Verified | 47% ↗epoch | 68.7% ↗ | -21.7 pt | Gemini 3 Flash Preview |
| SWE-bench Verified (Epoch AI run) | 78.7% ↗epoch | 75.4% ↗epoch | +3.3 pt | Claude Opus 4.6 |
| Terminal-Bench 2.0 | 65.4% ↗ | 47.6% ↗ | +17.8 pt | Claude Opus 4.6 |
| Only Claude Opus 4.6 reports · 10 | ||||
| AIME 2026 | 96.7% ↗matharena | not reported | — | — |
| LMArena Elo | 1497.5 ↗ | not reported | — | — |
| ARC-AGI-2 (Verified) | 68.8% ↗ | not reported | — | — |
| MCP Atlas | 59.5% ↗ | not reported | — | — |
| MMMLU | 91.1% ↗ | not reported | — | — |
| MMMU-Pro (no tools) | 73.9% ↗ | not reported | — | — |
| MMMU-Pro (with tools) | 77.3% ↗ | not reported | — | — |
| OSWorld-Verified | 72.7% ↗ | not reported | — | — |
| Tau2-bench Retail | 91.9% ↗ | not reported | — | — |
| Tau2-bench Telecom | 99.3% ↗ | not reported | — | — |
| Only Gemini 3 Flash Preview reports · 3 | ||||
| AIME 2025 | not reported | 95.2% ↗ | — | — |
| Humanity's Last Exam (no tools) | not reported | 33.7% ↗ | — | — |
| MMMU-Pro | not reported | 81.2% ↗ | — | — |
Scores tagged "epoch" or "matharena" are independent runs, used only where the lab has not published its own; ⚠ marks rows MathArena flags as released after the competition. Higher is better on every row. Δ is Claude Opus 4.6 minus Gemini 3 Flash Preview in the benchmark's own unit. "Not reported" means the lab has not published that figure; it is not a zero. ↗ opens the source.
Specs & pricing
Side by side
Official pricing pages and model cards| Spec | Claude Opus 4.6 | Gemini 3 Flash Preview | Edge |
|---|---|---|---|
| Context window | 1M tokens | 1.0M tokens | Gemini 3 Flash Preview |
| Max output | 128K tokens | 66K tokens | Claude Opus 4.6 |
| Input price / 1M | $5 ↗ | — | — |
| Output price / 1M | $25 ↗ | — | — |
| Cached input / 1M | $0.5 ↗ | — | — |
| Input + output / 1M Lower is cheaper. List prices; batch, tool and regional fees excluded. | $30 | — | — |
| Modalities | text · vision | text · vision · audio | Gemini 3 Flash Preview |
| Released | 2026-02-05 | 2025-12-17 | — |
| Cited benchmark scores | 19 | 13 | — |
Reliability
Provider status
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