VerdictPal
Join

Models / OpenAI

GPT-5.5 Pro

GPT 5 · Released 2026-04-23

OpenAI's premium GPT-5.5 tier. GDPval 82.3% (wins or ties). 1.05M context, $30 / $180 per 1M tokens. Responses API only — higher reasoning ceiling than standard GPT-5.5.

OpenAI Pro-tier pick when accuracy matters more than latency — legal, finance, and multi-pass research workflows.

Composite82
Context1M
Input / 1M$30
Output / 1M$180
Knowledge cutoff2025-12-01
Output speed0 t/s
TTFT (default API)0.00s
Statussolid
ChatGPT
Not enough families covered yet.Add more benchmark rows for GPT-5.5 Pro to see the radar.
Benchmark placements

Where GPT-5.5 Pro places on each public benchmark source that publishes a row. Rank counts every model with a latest row in the same test — not a universal quality score.

BenchmarkFamilyRankScoreSourceDate
GDPvalAgentic#4/ 682OpenAI GDPval grading portal2026-04-23
AA output speedPerformance#65/ 69Artificial Analysis2026-07-21
AA time to first tokenPerformance#65/ 69Artificial Analysis2026-07-21
Family context

The three highest-scoring carded models in each capability family. Where GPT-5.5 Pro shows up, it's highlighted.

AgenticGPT-5.5 Pro · 82
  1. 1
    GPT 5.5
    100
  2. 2
    Claude Opus 4.8
    100
  3. 3
    Claude Fable 5
    100
Long context
  1. 1
    Kimi K3
    75
  2. 2
    GPT-5.1
    75
  3. 3
    GPT-5.6 Sol
    74
Newest receipts

Benchmark rows added to the public ledger for GPT-5.5 Pro in the last 120 days. Older rows live in the full table below.

3 recent
BenchmarkFamilyScoreSourceDays ago
AA output speedPerformance0 t/sArtificial Analysis2
AA time to first tokenPerformance0.00sArtificial Analysis2
GDPvalAgentic82.3%OpenAI GDPval grading portal91
Family coverage

A high composite that hides a weak family is a trap. These bars surface the families where this model hasn't been publicly tested, and where it leads.

Agentic82
Price vs. performance
0255075100$0.10$0.30$1$3$10$30input USD / 1M tokens · log scale →← intelligence

Hover or tab any dot for name, score, and input price.

AnthropicOpenAIMistralAlibabaDeepSeekGoogleMoonshotMiniMaxxAIMetaZhipuXiaomiMeituanCohere

Full benchmark ledger

Every catalog benchmark for GPT-5.5 Pro. Scores link to the original source; gaps mean no public row exists yet.

3 sourced rows

3 of 32 catalog benchmarks have a sourced row for GPT-5.5 Pro.

Agentic

Performance

Changelog
  1. Released GPT-5.5 Pro — premium tier, $30/$180, Responses API.
Sources