GPT-5.6 Terra — balanced frontier model (Intelligence Index 55.0, GPQA Diamond 9
GPT-5.6 Terra — balanced frontier model (Intelligence Index 55.0, GPQA Diamond 92.5%, Terminal-Bench Hard 57.6%). Best for everyday coding, multi-step reasoning, and agentic tasks needing more capability than Luna without Sol's cost. Limits: 16K input / 4K output tokens per call. OpenAI-compatible request and response format.
Answeringour last check, 2026-09-24
1 of 1checks answered this week
265 msmedian answer time
$0.025listed price per call
$0.025price it asked us
Paid test badge: not yet. The checks above are free: we call the tool without paying and read the payment request it sends back. The Verified badge needs paid calls whose answers match the promised output, and nobody can buy a badge.
Endpoint
GET https://x402.monpham.work/v1/terra/chat/completions
| Category | Market data |
|---|---|
| Provider host | x402.monpham.work |
| Networks | eip155:8453, solana:5eykt4UsFv8P8NJdTREpY1vzqKqZKvdp |
| Payment schemes | exact |
| Self-reported calls, 30 days | 1 from 1 payers (the provider's figure, not ours) |
Our checks, last 30 days
| Day | Result | HTTP | Asked | Time |
|---|---|---|---|---|
| 2026-09-24 | valid payment request | 402 | $0.025 | 265 ms |
Example input (from the provider)
{
"method": "GET",
"type": "http"
}
Promised output schema (from the provider)
{
"properties": {
"input": {
"additionalProperties": false,
"properties": {
"method": {
"enum": [
"GET"
],
"type": "string"
},
"type": {
"const": "http",
"type": "string"
}
},
"required": [
"type",
"method"
],
"type": "object"
}
}
}