Opper
Claude Sonnet 4.5 (latest)
claude-sonnet-4-5
Prices and limits
- Input price per 1M tokens
- $3.30
- Output price per 1M tokens
- $16.50
- Cached input per 1M tokens
- $0.33
- Blended price per 1M (our estimate)
- $6.60
- Context window
- 200,000
- Max output tokens
- 64,000
- Accepts
- TextImagePDF
- Produces
- Text
- Released
- Sep 29, 2025
- Last updated
- Sep 29, 2025
- Knowledge cutoff
- Jul 31, 2025
- Open weights
- No
- Above 200,000 tokens of context: $6.60 input / $24.75 output per 1M.
Wrong price, or a provider that wants its listing corrected or removed? Email ceo@uniholix.com. We reply within 5 business days.
Cheapest comparable models
Other priced models that accept at least the same inputs, produce the same outputs and have at least half this context window, sorted by blended price.
- Qwen 3.7 FlashVercel AI Gateway$0.03 / $0.13991K
- GLM-5.3-FlashTokenGo$0.075 / $0.0251M
- Gemini 2.5 Flash-LiteLLMTR$0.10 / $0.101M
- Nova LiteAmazon Bedrock$0.06 / $0.24300K
- nova-lite-v1Cortecs$0.069 / $0.275300K
- Meta: Muse Spark 1.2 ContributorKilo Gateway$0.10 / $0.201M
- Meta: Muse Spark 1.3 ContributorKilo Gateway$0.10 / $0.201M
- Muse Spark 1.2 ContributorLLMTR$0.10 / $0.201M
Same model at other providers
Matched by the catalogue’s model ID. Cheapest blended price first.
- Claude Sonnet 4.5 (latest)Cortecs$2.99 / $14.95200K
- anthropic--claude-4.5-sonnetSAP AI Core$3.00 / $15.00200K
- Claude Sonnet 4.5NanoGPT$3.00 / $15.00200K
- Claude Sonnet 4.5Perplexity Agent$3.00 / $15.00200K
- Claude Sonnet 4.5 (Anthropic)LLM Gateway$3.00 / $15.00200K
- Claude Sonnet 4.5 (AWS Bedrock)LLM Gateway$3.00 / $15.00200K
- Claude Sonnet 4.5 (latest)Anthropic$3.00 / $15.001M
- Claude Sonnet 4.5 (latest)Cloudflare AI Gateway$3.00 / $15.00200K
- Claude Sonnet 4.5 (latest)Databricks$3.00 / $15.00200K
- Claude Sonnet 4.5 (latest)Impossibl$3.00 / $15.00200K
- Claude Sonnet 4.5 (latest)Kilo Gateway$3.00 / $15.001M
- Claude Sonnet 4.5 (latest)DevPass (LLM Gateway)$3.00 / $15.00200K
Price changes
Models whose price changed in the catalogue, newest first. We compare prices every day.
No price changes recorded yet. When a model’s price changes, it appears here.