Claude 3.5 Sonnet vs Claude 3 Opus: Specs & Benchmark Comparison
| Characteristic | Claude 3.5 Sonnet | Claude 3 Opus |
|---|---|---|
| Company | Anthropic | Anthropic |
| Release Date | June 21, 2024 | February 29, 2024 |
| Parameters | — | — |
| Multimodal | Yes | Yes |
| Context (input) | 200K | 200K |
| Context (output) | 200K | 200K |
| Input Price / 1M | $3.00 | $15.00 |
| Output Price / 1M | $15.00 | $75.00 |
| Average Score | 0.8 | 0.8 |
| Benchmarks | ||
| MATH | 0.7 | 0.6 |
| GPQA | 0.6 | 0.5 |
| MMLU-Pro | 0.8 | 0.7 |
| HumanEval | 0.9 | 0.8 |
| BIG-Bench Hard | 0.9 | 0.9 |
| DROP | 0.9 | 0.8 |
| MMLU | 0.9 | 0.9 |
| GSM8k | 1.0 | 0.9 |
| MGSM | 0.9 | 0.9 |
Visual Benchmark Comparison
Claude 3.5 Sonnet
Claude 3 Opus
MATH0.7 vs 0.6
0.7
0.6
GPQA0.6 vs 0.5
0.6
0.5
MMLU-Pro0.8 vs 0.7
0.8
0.7
HumanEval0.9 vs 0.8
0.9
0.8
BIG-Bench Hard0.9 vs 0.9
0.9
0.9
DROP0.9 vs 0.8
0.9
0.8
MMLU0.9 vs 0.9
0.9
0.9
GSM8k1.0 vs 0.9
1.0
0.9
MGSM0.9 vs 0.9
0.9
0.9
Verdict
Claude 3.5 Sonnet leads in 2 out of 4 comparison categories.
Overall Performance
Both models show comparable average scores: Claude 3.5 Sonnet — 0.8, Claude 3 Opus — 0.8.
API Cost
Claude 3.5 Sonnet is 5.0x cheaper: input $3.00/1M vs $15.00/1M tokens.
Context Window
Same context size: 200K tokens.
Recency
Claude 3.5 Sonnet is newer: released 6/21/2024 vs 2/29/2024.
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Frequently Asked Questions
Which is better for coding — Claude 3.5 Sonnet or Claude 3 Opus?
Direct comparison on the SWE-Bench benchmark is not available. We recommend reviewing other metrics on the comparison page.
Which model is cheaper — Claude 3.5 Sonnet or Claude 3 Opus?
Claude 3.5 Sonnet is cheaper for input: $3.00 per 1M tokens vs $15.00.
Which has a larger context window — Claude 3.5 Sonnet or Claude 3 Opus?
Claude 3.5 Sonnet supports a larger context: 200,000 tokens vs 200,000.
The Claude 3.5 Sonnet and Claude 3 Opus comparison is updated for 2026. Data includes benchmark results, API pricing, context window size and other specifications. For more detailed information, visit the Claude 3.5 Sonnet or Claude 3 Opus page. See also the complete list of AI model comparisons.