Claude Opus 5 vs Laguna S 2.1: Specs & Benchmark Comparison
| Characteristic | Claude Opus 5 | Laguna S 2.1 |
|---|---|---|
| Company | Anthropic | Poolside |
| Release Date | July 24, 2026 | July 21, 2026 |
| Parameters | — | 118B |
| Multimodal | Yes | No |
| Context (input) | 1.0M | 1.0M |
| Context (output) | 128K | — |
| Input Price / 1M | $5.00 | $0.10 |
| Output Price / 1M | $25.00 | $0.20 |
| Average Score | 0.6 | 0.6 |
| Benchmarks | ||
| DeepSWE 1.1 | 0.7 | 0.4 |
Visual Benchmark Comparison
Claude Opus 5
Laguna S 2.1
DeepSWE 1.10.7 vs 0.4
0.7
0.4
Verdict
Laguna S 2.1 leads in 2 out of 4 comparison categories.
Overall Performance
Both models show comparable average scores: Claude Opus 5 — 0.6, Laguna S 2.1 — 0.6.
API Cost
Laguna S 2.1 is 100.0x cheaper: input $0.10/1M vs $5.00/1M tokens.
Context Window
Laguna S 2.1 supports a larger context: 1M vs 1M tokens.
Recency
Both models were released around the same time: 7/24/2026 and 7/21/2026.
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Frequently Asked Questions
Which is better for coding — Claude Opus 5 or Laguna S 2.1?
Direct comparison on the SWE-Bench benchmark is not available. We recommend reviewing other metrics on the comparison page.
Which model is cheaper — Claude Opus 5 or Laguna S 2.1?
Laguna S 2.1 is cheaper for input: $0.10 per 1M tokens vs $5.00.
Which has a larger context window — Claude Opus 5 or Laguna S 2.1?
Laguna S 2.1 supports a larger context: 1,048,576 tokens vs 1,000,000.
The Claude Opus 5 and Laguna S 2.1 comparison is updated for 2026. Data includes benchmark results, API pricing, context window size and other specifications. For more detailed information, visit the Claude Opus 5 or Laguna S 2.1 page. See also the complete list of AI model comparisons.