Data points: 133
Model compare
The readout for Claude Sonnet 4.6 and Gemini 3 Flash, before the detailed comparison sheet.
Weighted outcome: Claude Sonnet 4.6. Benchmark capability categories carry 80%, while price, API performance, and availability carry 20%.
Decision read
Claude Sonnet 4.6
Claude Sonnet 4.6 has the higher weighted result; Model A / B score 61.3 to 38.7.
Evidence depth
133 data points
Includes 27 benchmark rows, 3 audit samples, and 7 provider examples.
Selection signal
Start with Claude Sonnet 4.6
The charts below split 37 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 Sonnet 4.6 and Gemini 3 Flash: pricing, speed aggregates, third-party benchmark scores, and shared provider samples.
| Model compare | Claude Sonnet 4.6 | Gemini 3 Flash |
|---|---|---|
| Overall leader | Leading | Contender |
| Weighted overall score | 61.3 pts | 38.7 pts |
| Benchmark category leads | 4 categories | 2 categories |
| Operational advantages | First-token latency, Provider coverage | Cheapest input price, Average speed, Free providers |
| Context window | 1M tokens | 1.0M tokens |
| Max output | 128K tokens | 65.5K tokens |
| 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 Sonnet 4.6 | Gemini 3 Flash |
|---|---|---|
| Developer | Anthropic | |
| Released | Feb 2026 | Dec 2025 |
| Parameters | No data | No data |
| Tokenizer | Claude | Gemini |
| Knowledge cutoff | No data | No data |
| OpenRouter ID | anthropic/claude-sonnet-4.6 | google/gemini-3-flash-preview |
| References | No data | No data |
This report only uses LMSpeed data for Claude Sonnet 4.6 and Gemini 3 Flash: pricing, speed aggregates, third-party benchmark scores, and shared provider samples.
Claude Sonnet 4.6
Claude Sonnet 4.6 is stronger in benchmark categories (Agents, Coding, Knowledge, Math) and operational dimensions (First-token latency, Provider coverage).
Gemini 3 Flash
Gemini 3 Flash is stronger in benchmark categories (Reasoning, Instruction following) and operational dimensions (Cheapest input price, Average speed, Free providers).
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 Sonnet 4.6
53.2
Avg. score
Gemini 3 Flash
50.1
Claude Sonnet 4.6 leads by 10.6
Claude Sonnet 4.6 leads by 2.2
Gemini 3 Flash leads by 2.2
Metric-level scores with benchmark source, rank depth, confidence, error, and evaluation date where available.
Claude Sonnet 4.6
winner63.0
Rank #25/84 · confidence 3 · eval date 2026-02-01
Gemini 3 Flash
57.0
Rank #38/84 · confidence 1 · eval date 2025-12-01
Claude Sonnet 4.6
$3.00/M
Rank #137/162 · confidence 4
Gemini 3 Flash
winner$0.500/M
Rank #69/162 · confidence 4
Claude Sonnet 4.6
$6.00/M
Rank #137/162 · confidence 4
Gemini 3 Flash
winner$1.13/M
Rank #81/162 · confidence 4
Claude Sonnet 4.6
$15.00/M
Rank #136/162 · confidence 4
Gemini 3 Flash
winner$3.00/M
Rank #85/162 · confidence 4
Claude Sonnet 4.6
79.2%
Rank #68/125 · confidence 3 · eval date 2026-02-01
Gemini 3 Flash
winner88.2%
Rank #7/125 · confidence 4
Claude Sonnet 4.6
winner87.5%
Rank #31/188 · confidence 4
Gemini 3 Flash
81.2%
Rank #72/188 · confidence 4
Claude Sonnet 4.6
winner30.0%
Rank #31/187 · confidence 4
Gemini 3 Flash
14.1%
Rank #76/187 · confidence 4
Claude Sonnet 4.6
0.9
Rank #60/73 · confidence 3 · eval date 2026-02-01
Gemini 3 Flash
winner1.4
Rank #50/73 · confidence 1 · eval date 2025-12-01
Claude Sonnet 4.6
winner57.7
Rank #63/89 · confidence 3 · eval date 2026-02-01
Gemini 3 Flash
48.0
Rank #68/89 · confidence 1 · eval date 2025-12-01
Claude Sonnet 4.6
winner51.5
Rank #7/33 · confidence 3 · eval date 2026-02-01
Gemini 3 Flash
20.2
Rank #21/33 · confidence 1 · eval date 2025-12-01
Claude Sonnet 4.6
46.8%
Rank #29/185 · confidence 4
Gemini 3 Flash
winner49.9%
Rank #18/185 · confidence 4
Claude Sonnet 4.6
46.9
Rank #33/96 · confidence 3 · eval date 2026-02-01
Gemini 3 Flash
winner49.9
Rank #23/96 · confidence 1 · eval date 2025-12-01
Claude Sonnet 4.6
32.4
Rank #18/47 · confidence 3 · eval date 2026-02-01
Gemini 3 Flash
winner35.6
Rank #16/47 · confidence 1 · eval date 2025-12-01
Claude Sonnet 4.6
winner8.3
Rank #19/35 · confidence 3 · eval date 2026-02-01
Gemini 3 Flash
4.2
Rank #23/35 · confidence 1 · eval date 2025-12-01
Claude Sonnet 4.6
49.5
Rank #31/56 · confidence 3 · eval date 2026-02-01
Gemini 3 Flash
winner50.5
Rank #29/56 · confidence 1 · eval date 2025-12-01
Claude Sonnet 4.6
65.9
Rank #57/90 · confidence 3 · eval date 2026-02-01
Gemini 3 Flash
winner90.2
Rank #11/90 · confidence 1 · eval date 2025-12-01
Claude Sonnet 4.6
38.0
Rank #29/90 · confidence 3 · eval date 2026-02-01
Gemini 3 Flash
winner45.5
Rank #14/90 · confidence 1 · eval date 2025-12-01
Claude Sonnet 4.6
winner35.9
Rank #43/99 · confidence 3 · eval date 2026-02-01
Gemini 3 Flash
27.4
Rank #62/99 · confidence 1 · eval date 2025-12-01
Claude Sonnet 4.6
79.9
Rank #63/96 · confidence 3 · eval date 2026-02-01
Gemini 3 Flash
winner81.2
Rank #59/96 · confidence 1 · eval date 2025-12-01
Claude Sonnet 4.6
13.2
Rank #63/96 · confidence 3 · eval date 2026-02-01
Gemini 3 Flash
winner14.1
Rank #62/96 · confidence 1 · eval date 2025-12-01
Claude Sonnet 4.6
winner1314.0
Rank #8/66 · confidence 3 · eval date 2026-02-01
Gemini 3 Flash
1226.0
Rank #35/66 · confidence 1 · eval date 2025-12-01
Claude Sonnet 4.6
70.6
Rank #40/57 · confidence 3 · eval date 2026-02-01
Gemini 3 Flash
winner78.6
Rank #12/57 · confidence 1 · eval date 2025-12-01
Claude Sonnet 4.6
41.2
Rank #69/86 · confidence 3 · eval date 2026-02-01
Gemini 3 Flash
winner55.1
Rank #56/86 · confidence 1 · eval date 2025-12-01
Claude Sonnet 4.6
winner67.8
Rank #5/28 · confidence 3 · eval date 2026-02-01
Gemini 3 Flash
49.2
Rank #25/28 · confidence 1 · eval date 2025-12-01
Claude Sonnet 4.6
winner36.9
Rank #5/20 · confidence 3 · eval date 2026-02-01
Gemini 3 Flash
11.4
Rank #17/20 · confidence 1 · eval date 2025-12-01
Claude Sonnet 4.6
winner62.9
Rank #8/50 · confidence 3 · eval date 2026-02-01
Gemini 3 Flash
56.6
Rank #16/50 · confidence 1 · eval date 2025-12-01
Claude Sonnet 4.6
winner79.5
Rank #55/84 · confidence 3 · eval date 2026-02-01
Gemini 3 Flash
43.3
Rank #70/84 · confidence 1 · eval date 2025-12-01
Latest completed audits from shared providers, with four safety and integrity score groups plus report links.
| Provider | Claude Sonnet 4.6 | Gemini 3 Flash |
|---|---|---|
Winner: Claude Sonnet 4.6 | Claude Sonnet 4.6 claude-sonnet-4-6 Audit score 97 10010086100 | Gemini 3 Flash gemini-3-flash-preview No audit yet |
Winner: Claude Sonnet 4.6 | Claude Sonnet 4.6 claude-sonnet-4-6 Audit score 94 76100100100 | Gemini 3 Flash gemini-3-flash-preview No audit yet |
Winner: Claude Sonnet 4.6 | Claude Sonnet 4.6 claude-sonnet-4-6 Audit score 89 56100100100 | Gemini 3 Flash gemini-3-flash-preview No audit yet |
Speed aggregates and input/output pricing share each provider row for real API selection and migration cost checks.
| Provider | Claude Sonnet 4.6 | Gemini 3 Flash |
|---|---|---|
40 tests | Claude Sonnet 4.6 speed / latency N/A / N/A input / output No data | Gemini 3 Flash speed / latency 269 tok/s / 4314ms input / output No data |
35 tests | Claude Sonnet 4.6 speed / latency 40 tok/s / 3145ms input / output No data | Gemini 3 Flash speed / latency 12 tok/s / 2615ms input / output No data |
30 tests | Claude Sonnet 4.6 speed / latency N/A / N/A input / output No data | Gemini 3 Flash speed / latency 129 tok/s / 10293ms input / output No data |
25 tests | Claude Sonnet 4.6 speed / latency 55 tok/s / 2094ms input / output No data | Gemini 3 Flash speed / latency 157 tok/s / 7994ms input / output No data |
25 tests | Claude Sonnet 4.6 speed / latency 32 tok/s / 6074ms input / output No data | Gemini 3 Flash speed / latency N/A / N/A input / output No data |
Claude Sonnet 4.6 claude-sonnet-4-6 speed / latency No data input / output $0/M/$0/M | Gemini 3 Flash gemini-3-flash-preview speed / latency No data input / output $0/M | |
Claude Sonnet 4.6 claude-sonnet-4-6 speed / latency No data input / output $0/request | Gemini 3 Flash gemini-3-flash-preview speed / latency No data input / output $0/request |
Weighted outcome: Claude Sonnet 4.6. Benchmark capability categories carry 80%, while price, API performance, and availability carry 20%.
Input
Output
| Features | Text inputImage inputFile inputText outputTool callingStructured outputsJSON modeReasoning | Text inputImage inputFile inputAudio inputText outputTool callingStructured outputsJSON modeReasoning |
|---|
Claude Sonnet 4.6 leads by 19.1
Claude Sonnet 4.6 leads by 1.3
No data
Claude Sonnet 4.6
Gemini 3 Flash leads by 4.2
