Model
GPT-5.5 Pro
Highest-accuracy GPT-5.5 tier for slower, precision-heavy reasoning and coding
Compare providers (sorted by listed input price)
19 providers list GPT-5.5 Pro. The cheapest full-context option is Impossibl at $30/$180 per M — 6% below OpenAI's own price. Poe lists lower but caps context at 400K.
Best price history
Daily lowest published price across live providers. A lower line is better for the buyer.
- Best input /M
- $27.27▲ 1.0%
- Best output /M
- $163.64▲ 1.0%
- Provider coverage
- 19
- 19 at the start · 24 snapshots
Price badge
https://www.vaanalytics.in/badge/openai/gpt-5.5-pro.svgLive 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 →- repricedvia edenai · Sep 13, 2026
- cache_read: $3 → —
- tiers: [object Object] → [object Object]
- contextvia orcarouter · Aug 28, 2026
- output: 128K → 100K tokens
- repricedvia requesty · Aug 28, 2026
- input: $27 → $30
- output: $162 → $180
- repricedvia cloudflare-ai-gateway · Aug 25, 2026
- context: 1.05M → 1M tokens
- tiers: [object Object] →
- new providervia opper · Aug 23, 2026
Benchmarks
- BrowseComp ↗(accuracy)report ↗Unclassified source90.1
- Humanity's Last Exam ↗(accuracy)report ↗Unclassified source43.1
- Humanity's Last Exam ↗(accuracy)report ↗Unclassified source57.2
- FrontierMath ↗(accuracy)report ↗Unclassified source52.4
- FrontierMath ↗(accuracy)report ↗Unclassified source39.6
- GDPval(wins or ties)report ↗Unclassified source82.3
- GeneBench(accuracy)report ↗Unclassified source33.2
Scores a lab published about its own model are claims, not measurements. Rankings elsewhere on this site use independently measured scores only.
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.