Arena Elo 1388Human-preference rating · LMArena (shown where the model is ranked)
Capabilities
7-day heat trend
−25.9%Pricing breakdown
Typical 3:1 output-to-input mix, per 1M tokens
Estimated monthly cost by workload
Market position
- Cheaper than 4% of tracked models
- Faster than 60% of tracked models
- Efficiency rank: #234 of 1105
Best suited for
Mixed text, image, audio and document workloads that benefit from one model across modalities.
About claude-sonnet-4.5
Claude Sonnet 4.5 is Anthropic’s most advanced Sonnet model to date, optimized for real-world agents and coding workflows. It delivers state-of-the-art performance on coding benchmarks such as SWE-bench Verified, with...
claude-sonnet-4.5 is a Multimodal model from Anthropic (US). HotON.ai tracks it at $3.00 per 1M input tokens and $15.00 per 1M output tokens, with a 1000K-token context window, ~153 tokens/sec throughput and 96.5% availability. Its composite efficiency score is 89/100 at an estimated $0.014 per successful task.
Compare claude-sonnet-4.5
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Frequently asked questions
How much does claude-sonnet-4.5 cost per 1M tokens?+
claude-sonnet-4.5 is tracked at $3.00 per 1M input tokens and $15.00 per 1M output tokens. A typical 3:1 output-to-input workload blends to roughly $12.00 per 1M tokens. Figures are illustrative demo data.
What is claude-sonnet-4.5 best for?+
Mixed text, image, audio and document workloads that benefit from one model across modalities.
How fast is claude-sonnet-4.5?+
claude-sonnet-4.5 delivers about 153 tokens/sec with 96.5% tracked availability, suitable for latency-sensitive, real-time applications.
Is claude-sonnet-4.5 cheaper than other AI models?+
Within the HotON.ai tracked set, claude-sonnet-4.5 is cheaper than 4% of models on input price and ranks #234 of 1105 by overall efficiency.
Related models
Pricing is real (via the TestKey catalog, updated daily). Quality (Arena Elo) is real where the model is ranked on LMArena. Speed, availability and efficiency are modeled estimates.