Data points: 76
Model compare
The readout for Claude 3 Opus and Claude Opus 4.6, 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 20 to 80.
Evidence depth
76 data points
Includes 11 benchmark rows, 0 audit samples, and 7 provider examples.
Selection signal
Start with Claude Opus 4.6
The charts below split 18 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 3 Opus and Claude Opus 4.6: pricing, speed aggregates, third-party benchmark scores, and shared provider samples.
| Model compare | Claude 3 Opus | Claude Opus 4.6 |
|---|---|---|
| Overall leader | Contender | Leading |
| Weighted overall score | 20.0 pts | 80.0 pts |
| Benchmark category leads | 1 categories | 3 categories |
| Operational advantages | No data | Cheapest input price, Free providers, Provider coverage |
| Context window | No data | 1M tokens |
| Max output | No data | 128K tokens |
| Modalities | No data | 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 3 Opus | Claude Opus 4.6 |
|---|---|---|
| Developer | Anthropic | Anthropic |
| Released | No data | Feb 2026 |
| Parameters | No data | No data |
| Tokenizer | No data | Claude |
| Knowledge cutoff | No data | No data |
| OpenRouter ID | No data | anthropic/claude-opus-4.6 |
| References | No data | No data |
This report only uses LMSpeed data for Claude 3 Opus and Claude Opus 4.6: pricing, speed aggregates, third-party benchmark scores, and shared provider samples.
Claude 3 Opus
Claude 3 Opus leads these benchmark categories: Knowledge.
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).
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 3 Opus
44.3
Avg. score
Claude Opus 4.6
53.4
Claude Opus 4.6
Claude Opus 4.6 leads by 21.0
Claude Opus 4.6 leads by 11.8
Claude 3 Opus leads by 1.7
Claude Opus 4.6 leads by 15.1
Claude Opus 4.6
Claude Opus 4.6
Claude Opus 4.6
Metric-level scores with benchmark source, rank depth, confidence, error, and evaluation date where available.
Claude 3 Opus
$15.00/M
Rank #155/162 · confidence 4
Claude Opus 4.6
winner$5.00/M
Rank #146/162 · confidence 4
Claude 3 Opus
$30.00/M
Rank #156/162 · confidence 4
Claude Opus 4.6
winner$10.00/M
Rank #147/162 · confidence 4
Claude 3 Opus
$75.00/M
Rank #157/162 · confidence 4
Claude Opus 4.6
winner$25.00/M
Rank #147/162 · confidence 4
Claude 3 Opus
69.6%
Rank #102/125 · confidence 4
Claude Opus 4.6
winner82.0%
Rank #47/125 · confidence 3 · eval date 2026-02-01
Claude 3 Opus
48.9%
Rank #166/188 · confidence 4
Claude Opus 4.6
winner84.0%
Rank #53/188 · confidence 4
Claude 3 Opus
3.1%
Rank #184/187 · confidence 4
Claude Opus 4.6
winner18.6%
Rank #62/187 · confidence 4
Claude 3 Opus
23.3%
Rank #164/185 · confidence 4
Claude Opus 4.6
winner45.7%
Rank #33/185 · confidence 4
Claude 3 Opus
23.3
Rank #93/96 · confidence 1 · eval date 2024-03-01
Claude Opus 4.6
winner45.7
Rank #37/96 · confidence 3 · eval date 2026-02-01
Claude 3 Opus
11.8
Rank #89/99 · confidence 1 · eval date 2024-03-01
Claude Opus 4.6
winner37.8
Rank #39/99 · confidence 3 · eval date 2026-02-01
Claude 3 Opus
48.9
Rank #94/96 · confidence 1 · eval date 2024-03-01
Claude Opus 4.6
winner84.0
Rank #52/96 · confidence 3 · eval date 2026-02-01
Claude 3 Opus
3.1
Rank #96/96 · confidence 1 · eval date 2024-03-01
Claude Opus 4.6
winner18.6
Rank #56/96 · confidence 3 · eval date 2026-02-01
Latest completed audits from shared providers, with four safety and integrity score groups plus report links.
| Provider | Claude 3 Opus | Claude Opus 4.6 |
|---|---|---|
| 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 3 Opus | Claude Opus 4.6 |
|---|---|---|
10 tests | Claude 3 Opus claude-3-opus-20240229 speed / latency N/A / N/A input / output $1.82/M/$9.11/M | Claude Opus 4.6 claude-opus-4-6 speed / latency 84 tok/s / 3916ms input / output $1.11/M/$5.54/M |
0 tests | Claude 3 Opus speed / latency N/A / N/A input / output No data | Claude Opus 4.6 speed / latency N/A / N/A input / output No data |
0 tests | Claude 3 Opus speed / latency N/A / N/A input / output No data | Claude Opus 4.6 speed / latency N/A / N/A input / output No data |
0 tests | Claude 3 Opus speed / latency N/A / N/A input / output No data | Claude Opus 4.6 speed / latency N/A / N/A input / output No data |
0 tests | Claude 3 Opus speed / latency N/A / N/A input / output No data | Claude Opus 4.6 speed / latency N/A / N/A input / output No data |
Claude 3 Opus claude-3-opus-20240229 speed / latency No data input / output $2.05/M/$10.27/M | Claude Opus 4.6 claude-opus-4-6 speed / latency No data input / output $0.685/M | |
Claude 3 Opus claude-3-opus-20240229 speed / latency No data input / output $2.05/M/$10.27/M | Claude Opus 4.6 claude-opus-4-6 speed / latency No data input / output $1.37/M |
Weighted outcome: Claude Opus 4.6. Benchmark capability categories carry 80%, while price, API performance, and availability carry 20%.
| Features | None listed | Text inputImage inputFile inputText outputTool callingStructured outputsJSON modeReasoning |
|---|
