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Models / OpenAI

OpenAI: GPT-6 Luna Pro

openai/gpt-6-luna-pro

text imageContext 1.1M

GPT-6 Luna Pro is the same underlying model as [GPT-6 Luna](https://openrouter.ai/openai/gpt-6-luna), served with `reasoning.mode` set to `pro` for higher-quality responses on complex tasks. **Cost note:** pro mode spends far more...

Price

Input$0.1

per 1M tokens

Output$0.5

per 1M tokens

Compare this model

Providers

Each row is one seller. Prices are the published rate from that source. A dash means that source did not publish the amount. Sorted by a 3:1 blend of input and output.

ProviderTagQuant InputOutput ContextUptimeStatusSource
OpenAI openai/flex — $0.05/1M $0.25/1M 1.1M 100% Live openrouter-endpoints
Azure azure — $0.1/1M $0.5/1M 1.1M 100% Live openrouter-endpoints
OpenAI openai — $0.1/1M $0.5/1M 1.1M 100% Live openrouter-endpoints
Azure azure/eu — $0.11/1M $0.55/1M 1.1M — Live openrouter-endpoints
Azure azure/us — $0.11/1M $0.55/1M 1.1M — Live openrouter-endpoints
OpenAI openai/fast — $0.2/1M $1/1M 1.1M — Live openrouter-endpoints

Monthly bill

Token models use the token counts. Image, video, and audio models use units times the flat rate.

$0.60 at list price for this workload

Cache

Cache read$0.01

per 1M tokens

Cache write$0.125

per 1M tokens

Tiers

Web search
$0.01 per request
Above 272,000 prompt tokens
in $0.2 · out $0.75 · cache read $0.02 · cache write $0.25
Every rate
UnitInputOutputFlatConfidence
token $0.1/1M $0.5/1M Not published— official

Price history

OpenAI: GPT-6 Luna Pro
0.55 0 2026-09-23: $0.12026-09-24: $0.12026-09-25: $0.12026-09-26: $0.12026-09-27: $0.12026-09-28: $0.12026-09-29: $0.12026-09-30: $0.12026-10-01: $0.12026-10-02: $0.12026-10-03: $0.12026-10-04: $0.12026-10-05: $0.12026-10-06: $0.12026-10-07: $0.12026-10-08: $0.12026-10-09: $0.12026-10-10: $0.12026-10-11: $0.12026-10-12: $0.12026-10-13: $0.12026-10-14: $0.12026-10-15: $0.12026-10-16: $0.12026-10-17: $0.12026-10-18: $0.12026-10-19: $0.12026-10-20: $0.12026-10-21: $0.12026-10-22: $0.12026-10-23: $0.12026-10-24: $0.12026-10-25: $0.12026-10-26: $0.12026-10-27: $0.12026-10-28: $0.12026-10-29: $0.12026-10-30: $0.1 2026-09-23 2026-10-30

input or flat output

Daily snapshots
UTC dateUnitInputOutputFlat
2026-09-23 token $0.1 $0.5 Not published—
2026-09-24 token $0.1 $0.5 Not published—
2026-09-25 token $0.1 $0.5 Not published—
2026-09-26 token $0.1 $0.5 Not published—
2026-09-27 token $0.1 $0.5 Not published—
2026-09-28 token $0.1 $0.5 Not published—
2026-09-29 token $0.1 $0.5 Not published—
2026-09-30 token $0.1 $0.5 Not published—
2026-10-01 token $0.1 $0.5 Not published—
2026-10-02 token $0.1 $0.5 Not published—
2026-10-03 token $0.1 $0.5 Not published—
2026-10-04 token $0.1 $0.5 Not published—
2026-10-05 token $0.1 $0.5 Not published—
2026-10-06 token $0.1 $0.5 Not published—
2026-10-07 token $0.1 $0.5 Not published—
2026-10-08 token $0.1 $0.5 Not published—
2026-10-09 token $0.1 $0.5 Not published—
2026-10-10 token $0.1 $0.5 Not published—
2026-10-11 token $0.1 $0.5 Not published—
2026-10-12 token $0.1 $0.5 Not published—
2026-10-13 token $0.1 $0.5 Not published—
2026-10-14 token $0.1 $0.5 Not published—
2026-10-15 token $0.1 $0.5 Not published—
2026-10-16 token $0.1 $0.5 Not published—
2026-10-17 token $0.1 $0.5 Not published—
2026-10-18 token $0.1 $0.5 Not published—
2026-10-19 token $0.1 $0.5 Not published—
2026-10-20 token $0.1 $0.5 Not published—
2026-10-21 token $0.1 $0.5 Not published—
2026-10-22 token $0.1 $0.5 Not published—
2026-10-23 token $0.1 $0.5 Not published—
2026-10-24 token $0.1 $0.5 Not published—
2026-10-25 token $0.1 $0.5 Not published—
2026-10-26 token $0.1 $0.5 Not published—
2026-10-27 token $0.1 $0.5 Not published—
2026-10-28 token $0.1 $0.5 Not published—
2026-10-29 token $0.1 $0.5 Not published—
2026-10-30 token $0.1 $0.5 Not published—

Alternatives

Parameters (11)
include_reasoningmax_completion_tokensmax_tokensreasoningreasoning_effortresponse_formatseedstructured_outputstool_choicetoolsverbosity
Call this model

OpenRouter id openai/gpt-6-luna-pro. InferenceList does not send the request.

curl
curl https://openrouter.ai/api/v1/chat/completions \
  -H "Authorization: Bearer $OPENROUTER_API_KEY" \
  -H "Content-Type: application/json" \
  -d '{"model":"openai/gpt-6-luna-pro","messages":[{"role":"user","content":"Hello"}]}'

JavaScript
await fetch("https://openrouter.ai/api/v1/chat/completions", {
  method: "POST",
  headers: {
    Authorization: "Bearer " + process.env.OPENROUTER_API_KEY,
    "Content-Type": "application/json",
  },
  body: JSON.stringify({
    model: "openai/gpt-6-luna-pro",
    messages: [{ role: "user", content: "Hello" }],
  }),
});

Python
import os, json, urllib.request
req = urllib.request.Request(
    "https://openrouter.ai/api/v1/chat/completions",
    data=json.dumps({"model": "openai/gpt-6-luna-pro", "messages": [{"role": "user", "content": "Hello"}]}).encode(),
    headers={"Authorization": "Bearer " + os.environ["OPENROUTER_API_KEY"], "Content-Type": "application/json"},
)
print(urllib.request.urlopen(req).read().decode())

JSON · History JSON