Key Takeaways
Claude 2 wins:
- Cheaper output tokens
Claude Opus 4.6 wins:
- Cheaper input tokens
- Larger context window
- Faster response time
- Higher intelligence benchmark
- Better at coding
- Supports vision
Price Advantage
Claude 2
Benchmark Advantage
Claude Opus 4.6
Context Window
Claude Opus 4.6
Speed
Claude Opus 4.6
Pricing Comparison
Price Comparison
| Metric | Claude 2 | Claude Opus 4.6 | Winner |
|---|---|---|---|
| Input (per 1M tokens) | $8.00 | $5.00 | Claude Opus 4.6 |
| Output (per 1M tokens) | $24.00 | $25.00 | Claude 2 |
| Cache Read (per 1M) | N/A | $0.50 | Claude Opus 4.6 |
| Cache Write (per 1M) | N/A | $6.25 | Claude Opus 4.6 |
Using a 3:1 input/output ratio, Claude Opus 4.6 is 17% cheaper overall.
Claude 2 Providers
No provider data available
Claude Opus 4.6 Providers
No provider data available
Benchmark Comparison
6
Benchmarks Compared
0
Claude 2 Wins
3
Claude Opus 4.6 Wins
Benchmark Scores
| Benchmark | Claude 2 | Claude Opus 4.6 | Winner |
|---|---|---|---|
Intelligence Index Overall intelligence score | 9.1 | 46.5 | |
Coding Index Code generation & understanding | 12.9 | 47.6 | |
MMLU Pro Academic knowledge | 48.6 | - | - |
GPQA Graduate-level science | 34.4 | 84.0 | |
LiveCodeBench Competitive programming | 17.1 | - | - |
AIME Competition math | 0.0 | - | - |
Claude Opus 4.6 significantly outperforms in coding benchmarks.
Cost vs Quality
X-axis:
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Claude 2
Other models
Context & Performance
Context Window
Claude 2
N/A
tokens
Claude Opus 4.6
1,000,000
tokens
Speed Performance
| Metric | Claude 2 | Claude Opus 4.6 | Winner |
|---|---|---|---|
| Tokens/second | 0.0 tok/s | 49.1 tok/s | |
| Time to First Token | 0.00s | 1.43s |
Claude Opus 4.6 responds Infinity% faster on average.
Capabilities
Feature Comparison
| Feature | Claude 2 | Claude Opus 4.6 |
|---|---|---|
| Vision (Image Input) | ||
| Tool/Function Calls | ||
| Reasoning Mode | ||
| Audio Input | ||
| Audio Output | ||
| PDF Input | ||
| Prompt Caching | ||
| Web Search |
License & Release
| Property | Claude 2 | Claude Opus 4.6 |
|---|---|---|
| License | Proprietary | Proprietary |
| Author | Anthropic | Anthropic |
| Released | Unknown | Feb 2026 |
Claude 2 Modalities
Input
Output
Claude Opus 4.6 Modalities
Input
textimage
Output
text