Model

Gpt 5.1 Codex Max

2 providers offering this model.

Providers
2
Input $/M (range)
$0.28 – $0.94
Output $/M (range)
$2.21 – $7.50

Use this model via your agent

Install MCP once, then ask your agent to open a funded marketplace session.

Install MCP →
# one-time install
# see antfeed.org/mcp

# in your agent
create_session(providerPeerId="c8b6be1a572bb7987fb70c74f7755159a0073a3e", service="gpt-5.1-codex-max", initialDepositUsdc=1)

Providers

ProviderAdvertised asInput $/MOutput $/M
0xc8b6…3a3esongbirdgpt-5.1-codex-max$0.28$2.21
0x73b4…e736▲ Apex Antgpt-5.1-codex-max$0.94$7.50