Data points: 64
Model compare
The readout for Claude Opus 4.6 and Gemini 1.5 Flash, before the detailed comparison sheet.
Weighted outcome: Claude Opus 4.6. Benchmark capability categories carry 80%, while price, API performance, and availability carry 20%.
Decision read
Claude Opus 4.6
Claude Opus 4.6 has the higher weighted result; Model A / B score 92 to 8.
Evidence depth
64 data points
Includes 4 benchmark rows, 0 audit samples, and 8 provider examples.
Selection signal
Start with Claude Opus 4.6
The charts below split 12 high-signal samples across speed, scores, and audit health.
Switch either side of this report to compare another model with the same LMSpeed data pipeline.
Select a different model to open a new comparison URL.
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.
| Model compare | Claude Opus 4.6 | Gemini 1.5 Flash |
|---|---|---|
| Overall leader | Leading | Contender |
| Weighted overall score | 92.0 pts | 8.0 pts |
| Benchmark category leads | 3 categories | 0 categories |
| Operational advantages | Cheapest input price, Free providers, Provider coverage | Average speed, First-token latency |
| Context window | 1M tokens | No data |
| Max output | 128K tokens | No data |
| Modalities | Input TextImageFile Output Text |
The overall result weights benchmark capability categories at 80% and price, API speed/latency, and availability at 20%. Recent test volume does not affect the winner, and missing benchmark categories are excluded.
| Model compare | Claude Opus 4.6 | Gemini 1.5 Flash |
|---|---|---|
| Developer | Anthropic | |
| Released | Feb 2026 | No data |
| Parameters | No data | No data |
| Tokenizer | Claude | No data |
| Knowledge cutoff | No data | No data |
| OpenRouter ID | anthropic/claude-opus-4.6 | No data |
| References | No data | No data |
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.
Claude Opus 4.6
Claude Opus 4.6 is stronger in benchmark categories (Coding, Reasoning, Math) and operational dimensions (Cheapest input price, Free providers, Provider coverage).
Gemini 1.5 Flash
Gemini 1.5 Flash has these operational advantages: Average speed, First-token latency.
Third-party benchmark profile synced into LMSpeed; only metrics available for both models are shown.
Compare benchmark category scores on a 0-100 scale. Select a category to inspect the gap.
Avg. score
Claude Opus 4.6
53.4
Avg. score
Gemini 1.5 Flash
37.7
Claude Opus 4.6
Claude Opus 4.6 leads by 26.2
Claude Opus 4.6 leads by 16.4
Metric-level scores with benchmark source, rank depth, confidence, error, and evaluation date where available.
Claude Opus 4.6
winner82.0%
Rank #47/125 · confidence 3 · eval date 2026-02-01
Gemini 1.5 Flash
68.0%
Rank #109/125 · confidence 4
Claude Opus 4.6
winner84.0%
Rank #53/188 · confidence 4
Gemini 1.5 Flash
46.3%
Rank #170/188 · confidence 4
Claude Opus 4.6
winner18.6%
Rank #62/187 · confidence 4
Gemini 1.5 Flash
3.5%
Rank #177/187 · confidence 4
Claude Opus 4.6
winner45.7%
Rank #33/185 · confidence 4
Gemini 1.5 Flash
26.7%
Rank #153/185 · confidence 4
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 |
|---|---|---|
15 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 |
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 |
5 tests | Claude Opus 4.6 speed / latency 38 tok/s / 2611ms input / output No data | Gemini 1.5 Flash speed / latency N/A / N/A input / output No data |
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 |
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 $35.71/M/$178.57/M | Gemini 1.5 Flash gemini-1.5-flash-latest speed / latency No data input / output $1.07/M | |
Claude Opus 4.6 claude-opus-4-6 speed / latency No data input / output $31.50/M/$157.50/M | Gemini 1.5 Flash gemini-1.5-flash-exp-0827 speed / latency No data input / output $1.89/M | |
Claude Opus 4.6 claude-opus-4-6-low speed / latency No data input / output $1.96/M/$9.79/M | Gemini 1.5 Flash gemini-1.5-flash speed / latency No data input / output $1.91/M |
Weighted outcome: Claude Opus 4.6. Benchmark capability categories carry 80%, while price, API performance, and availability carry 20%.
| Features | Text inputImage inputFile inputText outputTool callingStructured outputsJSON modeReasoning | None listed |
|---|
Claude Opus 4.6
Claude Opus 4.6 leads by 14.0
Claude Opus 4.6
Claude Opus 4.6
Claude Opus 4.6
