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Claude Sonnet 4.5 (EU)
anthropic·anthropic/eu.anthropic.claude-sonnet-4-5-20250929-v1-0·GA·Closed·claude-sonnet series
Balanced Claude model for coding, analysis, agent workflows, and cost control
At a glance
Reference price$3.30 / $16.50 per 1M
Cache read $0.33 · Amazon Bedrock
Lowest paid$3.30 / $16.50
Amazon Bedrock Cloud
Context200,000
Output limit64,000
Capabilities
✓ Reasoning✓ Tool use✓ Structured output✓ Temperature✓ Attachments
Modalities
TextImagePDF
Knowledge cutoff2025-07-31
Released / updated2025-09-29 / 2025-09-29
Quality & performance
Artificial Analysis doesn't cover this model (267 of 2059 have data). Quality data comes from independent evals covering widely used models.
Available at 1 providers1 with public prices
| Provider | Tier | Input | Output | Cache read | Cache write | Context | Output limit | Status |
|---|---|---|---|---|---|---|---|---|
| Amazon Bedrock eu.anthropic.claude-sonnet-4-5-20250929-v1:0 | Cloud | $3.30 | $16.50 | $0.33 | $4.13 | 200,000 | 64,000 |
Sorted by blended price (input×0.75 + output×0.25) asc. The official channel always shows regardless of rank. Whether a gateway's low price is actually usable can't be verified.
Your usage cost
1Amazon Bedrock$1,128.60
The cheapest paid channel is the only channel.
Benchmark
No upstream benchmark data for this model. For quality, see the Artificial Analysis intelligence score above.
Reasoning control
budget_tokens ≥ 1,024
Related models
Claude Sonnet 5same series$2.00 / $10.00Claude Sonnet 5 Thinkingsame series$2.00 / $10.00Claude Sonnet 5 (JP)same series$2.00 / $10.00GLM-5.2cheaper alternative$1.40 / $4.40GPT OSS 120Bcheaper alternative$1.00 / $4.20Kimi K2.6cheaper alternative$0.95 / $4.00DeepSeek V4 Procheaper alternative$0.435 / $0.87
Price historyone sample accumulated per data sync
Input listOutput listMin blended