Model

GPT-5.1

Name: GPT-5.1
Brand: openai

Sharper GPT-5 generation for coding, product work, and tool-assisted tasks

31 providers · 33 listingsreleased Nov 13, 2025knowledge cutoff 2024-09-30closed weights

$1.07

lowest input /M · OpenCode Zen

$8.50

lowest output /M · OpenCode Zen

400K

context window

131K

max output

Compare providers (sorted by listed input price)

29 of 31 providers publish a price for GPT-5.1. The cheapest full-context option is OpenCode Zen at $1.07/$8.5 per M — 15% below OpenAI's own price.

			Cache read /M	Cache write /M		Capabilities
OpenCode Zen gpt-5.1	$1.07	$8.50	$0.107	—	400K	reasoningtoolsstructuredvision	Nov 13, 2025
Poe openai/gpt-5.1	$1.10	$9	$0.11	—	400K	reasoningtoolsno structuredvision	Nov 12, 2025
Jiekou.AI gpt-5.1	$1.13	$9	—	—	400K	reasoningtoolsstructuredvision	Feb 1, 2026
NanoGPTvariant openai/gpt-5.1-2025-11-13	$1.25	$10	$0.125	—	400K	reasoningtoolsstructuredno vision	Nov 13, 2025
NanoGPTvariant openai/gpt-5.1	$1.25	$10	$0.125	—	400K	reasoningtoolsstructuredvision	Nov 13, 2025
Impossibl openai/gpt-5.1	$1.25	$10	$0.125	—	400K	reasoningtoolsstructuredvision	Nov 13, 2025
LLM Gatewayvariant azure/gpt-5.1	$1.25	$10	$0.125	—	400K	reasoningtoolsstructuredvision	Nov 13, 2025
LLM Gatewayvariant openai/gpt-5.1	$1.25	$10	$0.125	—	400K	reasoningtoolsstructuredvision	Nov 13, 2025
AIHubMix gpt-5.1	$1.25	$10	$0.13	—	400K	reasoningtoolsstructuredvision	Nov 13, 2025
OrcaRouter openai/gpt-5.1	$1.25	$10	$0.125	—	400K	reasoningtoolsstructuredvision	Nov 13, 2025
Azure Cognitive Services gpt-5.1	$1.25	$10	$0.125	—	400K	reasoningtoolsstructuredvision	Nov 14, 2025
Pioneer gpt-5.1	$1.25	$10	$0.125	$1.25	400K	reasoningtoolsstructuredvision	Nov 13, 2025
Helicone gpt-5.1	$1.25	$10	$0.125	—	400K	no reasoningtoolsno structuredno vision	Jan 1, 2025
DevPass (LLM Gateway) gpt-5.1	$1.25	$10	$0.125	—	400K	reasoningtoolsstructuredvision	Nov 13, 2025
Cloudflare AI Gateway openai/gpt-5.1	$1.25	$10	$0.125	—	128K	reasoningtoolsstructuredvision	Nov 13, 2025
Perplexity Agent openai/gpt-5.1	$1.25	$10	$0.125	—	400K	reasoningtoolsno structuredvision	Nov 13, 2025
Databricks databricks-gpt-5-1	$1.25	$10	$0.125	—	400K	reasoningtoolsstructuredvision	Nov 13, 2025
Kilo Gateway openai/gpt-5.1	$1.25	$10	$0.125	—	400K	reasoningtoolsstructuredvision	Nov 13, 2025
Azure gpt-5.1	$1.25	$10	$0.125	—	400K	reasoningtoolsstructuredvision	Nov 14, 2025
Merge Gateway openai/gpt-5.1	$1.25	$10	$0.125	—	400K	reasoningtoolsstructuredvision	Nov 13, 2025

Best price history

Daily lowest published price across live providers. A lower line is better for the buyer.

Best input /M: $1.07unchanged
Best output /M: $8.50unchanged
Provider coverage: 33; 33 at the start · 24 snapshots

Published best prices are unchanged.

24 daily snapshots collected from Aug 21, 2026 through Sep 14, 2026. A price chart will appear after the first real move.

Price badge

![GPT-5.1 price](https://www.vaanalytics.in/badge/openai/gpt-5.1.svg)

https://www.vaanalytics.in/badge/openai/gpt-5.1.svg

Live SVG, regenerated on every hourly sync — paste it into a README to always show the current cheapest listed price. Updates when prices change; no build step needed on your side.

Recent changes

Changelog →

contextvia nano-gpt · Sep 7, 2026
- context: 1M → 400K tokens
- output: 33K → 128K tokens
- input: 1M → 400K tokens
contextvia cortecs · Sep 2, 2026
- output: 400K → 128K tokens
repricedvia requesty · Aug 28, 2026
- input: $1.24 → $1.38
- output: $9.90 → $11
- cache_read: $0.124 → $0.138
capabilityvia nano-gpt · Aug 27, 2026
- temperature: false → true
capabilityvia cloudflare-ai-gateway · Aug 27, 2026
- temperature: false → true
capabilityvia pioneer · Aug 27, 2026
- temperature: false → true

Prices are per million tokens (USD). “—” means the provider does not publicly list a price for this model. Data from models.dev; verify with the provider before purchasing.