One gateway.
Every model.
Unified access to Claude, GPT, Gemini and more — through Anthropic Messages, OpenAI Responses and Chat Completions, all behind one endpoint.
Pricing
USD per 1M tokens · compared against official API pricing
| Model | Input | Output | Cache Write | Cache Read | Official |
|---|---|---|---|---|---|
|
Claude Opus 4.7
Flagship
0.9×
|
$1.29 | $6.43 | $1.61 | $0.13 | $5 / $25 |
|
Claude Opus 4.6
Flagship
0.9×
|
$1.29 | $6.43 | $1.61 | $0.13 | $5 / $25 |
|
Claude Sonnet 4.6
Best value
0.9×
|
$0.77 | $3.86 | $0.97 | $0.08 | $3 / $15 |
|
Claude Haiku 4.5
Haiku
0.9×
|
$0.26 | $1.29 | $0.32 | $0.03 | $1 / $5 |
|
GPT-5.4
OpenAI
0.9×
|
$0.32 | $1.29 | $0.40 | $0.03 | $3 / $10 |
|
GPT-5.3 Codex
Codex
0.9×
|
$0.23 | $1.80 | $0.28 | $0.02 | $2 / $14 |
Prices shown per 1M tokens. The "Official" column (strikethrough) lists the same model's input / output rate on its vendor API for comparison.
Drop-in compatible
Point your existing client at Prism — no SDK changes.
Anthropic
Messages API
POST /v1/messages
OpenAI
Responses API
POST /v1/responses
OpenAI-compat
Chat Completions
POST /v1/chat/completions