Model comparison
Claude Sonnet 5 vs Codex Auto Review
List rate, corouter rate, context, and which ID to send for claude-sonnet-5 versus codex-auto-review. A sample of 1 million input tokens plus 200 thousand output tokens is about $3.20 on corouter (input $1.60, output $1.60). A sample of 1 million input tokens plus 200 thousand output tokens is about $1.10 on corouter (input $0.500, output $0.600).
| Claude Sonnet 5 | Codex Auto Review | |
|---|---|---|
| ID | claude-sonnet-5 | codex-auto-review |
| Vendor | Anthropic | OpenAI |
| List input | $2.00 | $5.00 |
| corouter input | $1.60 | $0.500 |
| List output | $10.00 | $30.00 |
| corouter output | $8.00 | $3.00 |
| Cache read | $0.160 | $0.050 |
| Context | 1M | 1.1M |
Price gap
On output, Codex Auto Review is lower: $3.00 on corouter versus $8.00 for Claude Sonnet 5, about 2.67×. Input is $0.500 versus $1.60.
Window and modalities
Codex Auto Review lists a 1.1M window and Claude Sonnet 5 lists 1M. A larger window does not change the per-token rate. Prompts past the window need a split or a different ID. Claude Sonnet 5 is listed with these modalities: Chat, Vision, Code. Codex Auto Review is listed with these modalities: Chat, Reasoning, Code.
When to send claude-sonnet-5
Claude Sonnet 5 lists below Sonnet 4.6 on both input and output and keeps the 1M window plus the Code tag. Send claude-sonnet-5 for that newer Sonnet ID.
This ID uses the familiar messages JSON shape. The other side is codex-auto-review from OpenAI. corouter is not affiliated with OpenAI or Anthropic.
When to send codex-auto-review
Codex Auto Review lists at the same input and output rate as GPT-5.6 Sol and is a review ID, not an alias of GPT-6 Luna. Send codex-auto-review when the caller asks for that ID.
This ID uses the familiar chat-completions JSON shape. The other side is claude-sonnet-5 from Anthropic. corouter is not affiliated with OpenAI or Anthropic.
The same volume, two bills
A sample of 1 million input tokens plus 200 thousand output tokens is about $3.20 on corouter (input $1.60, output $1.60).
A sample of 1 million input tokens plus 200 thousand output tokens is about $1.10 on corouter (input $0.500, output $0.600).
Questions
- Which output rate is lower, Claude Sonnet 5 or Codex Auto Review?
- On output, Codex Auto Review is lower: $3.00 on corouter versus $8.00 for Claude Sonnet 5, about 2.67×. Input is $0.500 versus $1.60.
- Is corouter affiliated with the model vendors?
- No. corouter is not affiliated with OpenAI or Anthropic. Vendor names identify the model and the published list rate.
- How do you start billing?
- Create a console account and spend prepaid credits. The minimum top-up is $5. The API base is https://api.corouter.co. Put the ID you chose in the model field.