Claude Sonnet 5 (batch)
ModelActiveby Anthropic · family “claude-sonnet-batch”
Sonnet 5 is Anthropic's most capable Sonnet-class model, with frontier performance across coding, agents, and professional work. It supports adaptive thinking with selectable reasoning effort levels (low, medium, high, max,... (description from the OpenRouter listing)
in: textin: imagein: fileout: textReasoningTool useStructured output
Epoch Capabilities Index
Not scored by Epoch AI
Released
30 Jun 2026
Context window
1M tokens
Max output
128K tokens
Input $ / 1M tokens
$1.00
Output $ / 1M tokens
$5.00
Cached input $ / 1M
$0.10
Each benchmark shown separately with its own source
Benchmark results (0)
No benchmark results recorded for this model.
Source: Epoch AI Benchmarking Hub (CC BY 4.0). “External” rows are leaderboard results Epoch collects from third parties. Best reported setting per benchmark is shown.
API list price over time
Price history
$ per 1M tokens
2 observations (OpenRouter listing + Internet Archive snapshots). History accumulates with every ingest run; a single point means no change has been observed yet.
Events
- Model launch3mo agoAnthropic releases Claude Sonnet 5 (batch)OpenRouter models API