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AnthropicProprietary
Claude Sonnet 5
Claude Sonnet 5 is a multimodal foundation model developed by Anthropic. Supporting a vast context window of 1 million tokens, it enables advanced information processing.
Parameters
Undisclosed
Context Window
1M
License
Proprietary
Release Date
2026-02-08
API Pricing
API pricing for this model is not yet available
Strengths
- ・1 million token long-context understanding
- ・Advanced multimodal capabilities
- ・Latest design by Anthropic
Weaknesses
- ・Non-open-source license
- ・Closed model specifications
- ・Detailed external verification difficult
Use Cases
- ・Analyzing massive documents
- ・Processing multimodal data
- ・Summarizing large contexts
Deep Analysis
SWE-Bench Verified
92.4%
#1 overall, production
Pricing
$3.00/$15.00 per 1M tokens
Context Window
200K tokens
Release Date
April 2026
Strengths
- ・SWE-Bench 92.4% — absolute production #1
- ・Maintains Sonnet pricing ($3/$15)
- ・Major leap in code generation quality
- ・Strong agentic capabilities
Weaknesses
- ・200K context (vs 1M on 4.6 models)
- ・Higher token consumption per task
- ・Newer model, less battle-tested
Competitor Comparison
| Model | SWE | Price |
|---|---|---|
| Claude Opus 4.6 | 80.8% | $5/$25 |
| GPT-5.4 | 77.5% | $2.50/$10 |
| Gemini 3 Pro | 76.2% | $1.25/$5 |
Claude Sonnet 5 achieves 92.4% SWE-Bench Verified — the highest production score ever recorded. At $3/$15, it redefines what's possible at Sonnet-tier pricing.
Sources
Analysis generated: 2026-05-24