Claude Sonnet 4.5 (latest)
opper/claude-sonnet-4-5 · family claude-sonnet · in: text, image, pdf → out: text · price provider-declared (via models.dev). Capabilities: tools reasoning text image pdf.
$6.60
Blended $/1M (3:1)
$3.3
Input $/1M
$16.5
Output $/1M
$19.80
1M in + 1M out
$0.33 −90%
Cache read $/1M
#6911 of 7,710
Cheapest rank
- Provider
- Opper (
opper) - Kind
- text (outputs text)
- Context
- 200,000 tokens
- Max output
- 64,000 tokens
- Capabilities
- tools reasoning text image pdf
Same model, other providers
“Claude Sonnet 4.5 (latest)” is offered by 18 providers — cheapest-effective first. Cortecs is the cheapest at $5.98 blended.
| Provider | Input | Output | Blended | Context |
|---|---|---|---|---|
| Cortecs | $2.99 | $14.95 | $5.98 | 200k |
| Anthropic | $3 | $15 | $6.00 | 1M |
| NEAR AI Cloud | $3 | $15 | $6.00 | 200k |
| Databricks | $3 | $15 | $6.00 | 200k |
| Kilo Gateway | $3 | $15 | $6.00 | 1M |
| OpenRouter | $3 | $15 | $6.00 | 1M |
| Impossibl | $3 | $15 | $6.00 | 200k |
| Cloudflare AI Gateway | $3 | $15 | $6.00 | 1M |
| OrcaRouter | $3 | $15 | $6.00 | 1M |
| Ofox | $3 | $15 | $6.00 | 200k |
| Neon | $3 | $15 | $6.00 | 200k |
| Pioneer | $3 | $15 | $6.00 | 1M |
| Opper (this) | $3.3 | $16.5 | $6.60 | 200k |
Call it
jishie indexes & prices models; it does not proxy inference.
Most providers are OpenAI-compatible — point base_url at Opper and pass this model id:
curl $BASE_URL/v1/chat/completions \
-H "Authorization: Bearer $API_KEY" -H "Content-Type: application/json" \
-d '{"model":"claude-sonnet-4-5","messages":[{"role":"user","content":"hello"}]}'
Route programmatically with MCP find_model / get_model, or fetch this record free (no wallet):