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Claude Sonnet 5.5 API Price
Anthropic · claude-sonnet-5-5
| Billing | USD · 1M tokens |
|---|---|
| Context Window | 1000K tokens |
| Max Output | 128K tokens |
| Modalities | Text / Image |
| Deep Thinking | Supported |
| Verified Date | 2026-09-30 |
| Official pricing page | platform.claude.com/docs/en/about-claude/pricing ↗ |
Source text: the note below is the model's official text, kept in its original Chinese and not translated.
Claude Sonnet 5 的继任旗舰(官方定价页 Model pricing 表新增,官方定位『The best combination of speed and intelligence』):输入 $2 / 缓存读取 $0.20 / 输出 $10 每百万 tokens,5m 缓存写入 $2.50、1h $4,Batch API 5 折($1/$5);1M 上下文、128K 最大输出(官方 Sonnet 5.5 模型页);与 Sonnet 5 同价,但官方称其每任务最多省 30% 成本、输出速度提升 30%+;既有 Claude Sonnet 5 条目 note 已互标代际关系。
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Pricing Tiers
| Tier | Price | Description |
|---|---|---|
| Batch API(async batch) | in $1 / out $5 /1M tokens | Batch API bills both input and output at 50% of standard rates |
Monthly Cost Estimate
30 days · no cache hits · list price
Free quotas, tiered pricing, batch discounts, and time-based pricing are not included; refer to official bills.
Anthropic Related Models
- Claude Fable 5.1 $10 / $50
- Claude Mythos 5.1 $10 / $50
- Claude Mythos 5 $10 / $50
- Claude Fable 5 $10 / $50
- Claude Opus 5.5 $4 / $20
- Claude Opus 5 $5 / $25
- Claude Opus 4.8 $5 / $25
- Claude Opus 4.7 $5 / $25
- Claude Opus 4.6 $5 / $25
- Claude Opus 4.5 $5 / $25
- Claude Sonnet 5 $2 / $10
- Claude Sonnet 4.6 $3 / $15
- Claude Sonnet 4.5 $3 / $15
- Claude Haiku 4.5 $1 / $5
- Claude 3.5 Haiku(Legacy) $0.8 / $4
- Claude 3.5 Sonnet(Legacy) $3 / $15
- Claude 3 Opus(Legacy) $15 / $75
FAQ
How much does the Claude Sonnet 5.5 API cost?
Input $2/1M tokens, output $10/1M tokens
How large is the Claude Sonnet 5.5 context window?
1000K tokens, up to 128K tokens of output. Handles long documents, multi-turn conversations and large-scale inputs.
Which input modalities does Claude Sonnet 5.5 support?
Text / Image. Supports deep thinking / reasoning.
What is the approximate monthly cost of Claude Sonnet 5.5?
Depends on volume: light use (1M input + 300K output per day) ≈ $150/month; medium (5M + 1.5M) ≈ $750/month; heavy agents (10M + 3M) ≈ $1,500/month. Cache hits, batch discounts and tiered pricing can lower this further.
How does Claude Sonnet 5.5 compare with peers on value?
Anthropic Claude Sonnet 5.5 is priced low among comparable models; compare against GPT-4o, Claude 3.5 and Gemini 2.5. See the Pricemon market table for a full comparison.
What use cases suit Claude Sonnet 5.5?
Good for: chat systems, customer support, content generation, coding assistance, data analysis.The long context supports deep-analysis scenarios.
Does Claude Sonnet 5.5 have a free tier?
Check Anthropic's official pricing page for the latest free quota, trial policy and tiered pricing. Policies differ by vendor and change over time.