claude-sonnet-4-5-20250929-thinking
Balanced Claude model for coding, analysis, agent workflows, and cost control
Price changes
Cheapest list input/output only. Rates move rarely, so this is an event log. Down means cheaper. Showing the 8 latest changes.
- ↑ higherOutput $14.99 → $15
- ↑ higherInput $2.99 → $3
Sources
Same model, different sources. Our first-party rate is listed first, then router and aggregator rows stay separate so you can see the spread instead of a single blended number.
| Source | Provider | Input | Output | Cache read | Context |
|---|---|---|---|---|---|
| models.devcheapestclaude-sonnet-4-5-20250929-thinking | 302.AI | $3 | $15 | $0 | 200K |
Capabilities
- Reasoning
- Tool calling
- Attachments
- In: text
- In: image
- In: pdf
- Out: text
Scores
Sparse coverage on purpose. Missing a score means we have not linked one yet, not that the model is unranked. Hover or tap the i next to any score for its source. Full boards on /benchmarks.
- AA intelligence20.7i
- AA coding52.1i
- AA agentic15.8i
Arena rows are community-vote Elo from Arena AI, Artificial Analysis indices arrive via OpenRouter, and launch-eval figures are collected from vendor announcements, analyst writeups, and community benchmarks. Full boards and credits on /benchmarks.
See what this model costs you
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Data and list-price estimates may contain mistakes. Not investment advice.