GPT-5.1

openai· 2025-11-13· 400K ctx

API onlytool callreasoningstructured quant: unknown

spread (output)

1.4×

$8.00 – $11.00 · 31 providers

31 providers priced

Provider	Input	Output	Cache rd	Blended
Ofox relay router	$1.00	$8.00	$0.104	$1.07
OpenCode Zen relay router	$1.07	$8.50	$0.107	$1.13
Poe relay router	$1.10	$9.00	$0.110	$1.19
Jiekou.AI relay router	$1.13	$9.00	—	$1.84^*
Azure Cognitive Services unknown	$1.25	$10.00	$0.125	$1.33
Cloudflare AI Gateway unknown	$1.25	$10.00	$0.125	$1.33
Databricks relay router	$1.25	$10.00	$0.125	$1.33
Eden AI relay router	$1.25	$10.00	$0.125	$1.33
Helicone relay router	$1.25	$10.00	$0.125	$1.33
Impossibl relay router	$1.25	$10.00	$0.125	$1.33
Kilo Gateway relay router	$1.25	$10.00	$0.125	$1.33
DevPass (LLM Gateway) relay router	$1.25	$10.00	$0.125	$1.33
LLM Gateway relay router	$1.25	$10.00	$0.125	$1.33
LLM Gateway relay router	$1.25	$10.00	$0.125	$1.33
Merge Gateway unknown	$1.25	$10.00	$0.125	$1.33
NanoGPT relay router	$1.25	$10.00	$0.125	$1.33
NanoGPT relay router	$1.25	$10.00	$0.125	$1.33
NEAR AI Cloud relay router	$1.25	$10.00	$0.125	$1.33
Neon relay router	$1.25	$10.00	$0.125	$1.33
OpenAI first party lab	$1.25	$10.00	$0.125	$1.33
OpenRouter unknown	$1.25	$10.00	$0.125	$1.33
OrcaRouter relay router	$1.25	$10.00	$0.125	$1.33
Perplexity Agent unknown	$1.25	$10.00	$0.125	$1.33
Pioneer relay router	$1.25	$10.00	$0.125	$1.43
ZenMux relay router	$1.25	$10.00	$0.120	$1.33
Abacus relay router	$1.25	$10.00	$0.125	$1.33
AIHubMix unknown	$1.25	$10.00	$0.130	$1.33
Azure hyperscaler	$1.25	$10.00	$0.125	$1.33
302.AI relay router	$1.25	$10.00	—	$2.05^*
Cortecsoutlier relay router	$1.38	$10.96	$0.156	$1.47
Requestyoutlier relay router	$1.38	$11.00	$0.138	$1.46

Cheapest (output)

Ofox

$8.00 /M

opencode.json

{
  "provider": {
    "ofox": {
      "npm": "@ai-sdk/openai-compatible",
      "options": {
        "baseURL": "https://api.ofox.ai/v1"
      },
      "models": {
        "openai/gpt-5.1": {}
      }
    }
  }
}

Set OFOX_API_KEY in your environment. Generated — verify against the OpenCode docs.

Output $/M over time7-day preview

Median line, min–max band. Pre-2026-09 points are catalog-recorded dates from models.dev git history, not provider effective dates.

Full price history & dynamics

This is a 7-day preview. Sign in for 30 days free; the full series and export are the API subscription.

Data: models.dev (MIT), snapshot 2026-09-20. Prices are vendor-published; verify before purchase. Methodology.