Claude Sonnet 4.5 (latest)
impossibl/anthropic/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.
$6.00
Blended $/1M (3:1)
$3
Input $/1M
$15
Output $/1M
$18.00
1M in + 1M out
$0.3 −90%
Cache read $/1M
#7411 of 8,511
Cheapest rank
- Provider
- Impossibl (
impossibl) - 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 17 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 |
| Impossibl (this) | $3 | $15 | $6.00 | 200k |
| Requesty | $3 | $15 | $6.00 | 1M |
| NEAR AI Cloud | $3 | $15 | $6.00 | 200k |
| Tempr Gateway | $3 | $15 | $6.00 | 200k |
| Kilo Gateway | $3 | $15 | $6.00 | 1M |
| Cloudflare AI Gateway | $3 | $15 | $6.00 | 200k |
| Ofox | $3 | $15 | $6.00 | 200k |
| Databricks | $3 | $15 | $6.00 | 200k |
| DevPass (LLM Gateway) | $3 | $15 | $6.00 | 200k |
| OrcaRouter | $3 | $15 | $6.00 | 1M |
| Snowflake Cortex | $3 | $15 | $6.00 | 200k |
| OpenRouter | $3 | $15 | $6.00 | 1M |
Call it
jishie indexes & prices models; it does not proxy inference.
Most providers are OpenAI-compatible — point base_url at Impossibl and pass this model id:
curl $BASE_URL/v1/chat/completions \
-H "Authorization: Bearer $API_KEY" -H "Content-Type: application/json" \
-d '{"model":"anthropic/claude-sonnet-4-5","messages":[{"role":"user","content":"hello"}]}'
Route programmatically with MCP find_model / get_model, or fetch this record free (no wallet):