flagship
Claude Opus 4 7 vs Claude Sonnet 4 6
Side-by-side pricing, context window, features, and per-use-case verdict. Data sourced from LiteLLM, updated regularly.
Specifications
| Feature | Claude Opus 4 7 | Claude Sonnet 4 6 |
|---|---|---|
| Provider | anthropic | anthropic |
| Model ID | claude-opus-4-7 | claude-sonnet-4-6 |
| Input / 1M tokens | $5.00 | $3.00 (40% cheaper) |
| Output / 1M tokens | $25.00 | $15.00 (40% cheaper) |
| Cached input / 1M | $0.50 | $0.30 |
| Context window | 1000kk tokens | 1000kk tokens |
| Max output | 128kk tokens | 64kk tokens |
| Vision | ✅ | ✅ |
| Function calling | ✅ | ✅ |
| Prompt caching | ✅ | ✅ |
| Web search | ⬜ | ⬜ |
| JSON schema | ✅ | ✅ |
Monthly cost comparison
No cache discount applied — pure token costs at three usage scales.
| Scale | Claude Opus 4 7 | Claude Sonnet 4 6 | Winner |
|---|---|---|---|
| Small 1M in / 0.2M out | $10.00 | $6.00 | Claude Sonnet 4 6 saves 40% |
| Medium 10M in / 2M out | $100 | $60.00 | Claude Sonnet 4 6 saves 40% |
| Large 100M in / 20M out | $1000 | $600 | Claude Sonnet 4 6 saves 40% |
Category winners
Cheapest input
Claude Sonnet 4 6
$3.00/M
· 40% less than the other
Cheapest output
Claude Sonnet 4 6
$15.00/M
· 40% less than the other
Larger context
Claude Opus 4 7
1000kk tokens
More features
Claude Opus 4 7
4 / 5 capabilities
(tied)
Better for…
High-volume RAG & repeated context
$0.30/M cached input — prompt caching makes repeated context retrieval significantly cheaper
Claude Sonnet 4 6
Short interactions & high-throughput APIs
$15.00/M output — 40% cheaper on output at scale
Claude Sonnet 4 6
Cost-sensitive production at scale
$600/month at 100M-token scale — 40% cheaper than the alternative
Claude Sonnet 4 6
Deep-dive on each model
Pricing data sourced from LiteLLM and refreshed regularly. Always verify with each provider's official pricing page before making business decisions.