Data points: 62
The readout for Claude Opus 4.6 and Gemini 1.5 Flash, before the detailed comparison sheet.
Decision read
Tie
Tie currently has the stronger profile, with verified wins split 3 to 3.
Evidence depth
62 data points
Includes 3 benchmark rows, 0 audit samples, and 8 provider examples.
Selection signal
Tie
The charts below split 11 high-signal samples across speed, scores, and audit health.
Model compare Claude Opus 4.6 vs Gemini 1.5 Flashclaude-opus-4-6-vs-gemini-1-5-flash | Model A Claude Opus 4.6 | Model B Gemini 1.5 Flash |
|---|---|---|
| Overall leader | Tie | Tie |
| Verified metric wins | 3 wins | 3 wins |
| Where it leads | Free providers, Provider coverage, Recent tests | Cheapest input price, Average speed, First-token latency |
| Model metadata | Claude Opus 4.6 exposes 1M tokens; notable signals: Text input, Image input, File input, Text output. | No OpenRouter metadata is available yet for this model. |
| Developer | Anthropic | |
| Context window | 1M tokens | No data |
| Max output | 128K tokens | No data |
| Released | Apr 2026 | No data |
| Modalities | Input TextImageFile Output Text | No data |
| Features | Text inputImage inputFile inputText outputTool callingStructured outputsJSON modeReasoning | None listed |
| Parameters | No data | No data |
| Tokenizer | Claude | No data |
| Knowledge cutoff | No data | No data |
| OpenRouter ID | anthropic/claude-opus-4.6-fast | No data |
| References | No data | No data |
Third-party benchmark profile synced into LMSpeed; only metrics available for both models are shown.
| Metric | Claude Opus 4.6 | Gemini 1.5 Flash |
|---|---|---|
| SciCode | 45.7%#20 | 26.7%#97 |
| GPQA | 84.0%#38 | 46.3%#124 |
| HLE | 18.6%#43 | 3.5%#100 |
Latest completed audits from shared providers, with four safety and integrity score groups plus report links.
| Provider | Claude Opus 4.6 | Gemini 1.5 Flash |
|---|---|---|
| No completed audits are available from shared providers yet. | ||
Speed aggregates and input/output pricing share each provider row for real API selection and migration cost checks.
| Provider | Claude Opus 4.6 | Gemini 1.5 Flash |
|---|---|---|
V-API15 tests | Claude Opus 4.6 speed / latency N/A / N/A input / output No data | Gemini 1.5 Flash speed / latency 163 tok/s / 1183ms input / output No data |
丸美小沐15 tests | Claude Opus 4.6 speed / latency N/A / N/A input / output No data | Gemini 1.5 Flash speed / latency 236 tok/s / 1159ms input / output No data |
UoCode5 tests | Claude Opus 4.6 claude-opus-4-6 speed / latency 38 tok/s / 2611ms input / output $0.685/M / $3.42/M | Gemini 1.5 Flash models/gemini-1.5-flash speed / latency N/A / N/A input / output $0.014/M / $0.137/M |
AIGCBAR0 tests | Claude Opus 4.6 speed / latency N/A / N/A input / output No data | Gemini 1.5 Flash speed / latency N/A / N/A input / output No data |
AIO通用智能服务平台0 tests | Claude Opus 4.6 speed / latency N/A / N/A input / output No data | Gemini 1.5 Flash speed / latency N/A / N/A input / output No data |
Claude Opus 4.6 claude-opus-4-6 speed / latency No data input / output $0.068/M / $0.342/M | Gemini 1.5 Flash gemini-1.5-flash-latest speed / latency No data input / output $0.0033/M / $0.013/M | |
Claude Opus 4.6 claude-opus-4-6 speed / latency No data input / output $0.685/M / $3.42/M | Gemini 1.5 Flash models/gemini-1.5-flash speed / latency No data input / output $0.014/M / $0.137/M | |
Claude Opus 4.6 claude-opus-4-6-thinking speed / latency No data input / output $0.685/M / $3.42/M | Gemini 1.5 Flash gemini-1.5-flash speed / latency No data input / output $0.096/M / $0.384/M |
This report only uses LMSpeed data for Claude Opus 4.6 and Gemini 1.5 Flash: pricing, speed aggregates, third-party benchmark scores, and shared provider samples.
| Guidance | Claude Opus 4.6 | Gemini 1.5 Flash |
|---|---|---|
| When to choose each model | Claude Opus 4.6 Claude Opus 4.6 is stronger when you prioritize Free providers, Provider coverage, Recent tests. | Gemini 1.5 Flash Gemini 1.5 Flash is stronger when you prioritize Cheapest input price, Average speed, First-token latency. |
TL;DR: Tie leads across 62 verifiable data points, including pricing, speed, latency, benchmarks, and provider examples.
Continue from Claude Opus 4.6 vs Gemini 1.5 Flash into nearby model comparisons with enough verified LMSpeed data.
Rankings are based on community-submitted tests and periodic health probes. Advisory only, not official data.
