openaiListed Apr 24, 2026

OpenAI: GPT-5.5 Pro (batch)

GPT-5.5 Pro is OpenAI’s high-capability model optimized for deep reasoning and accuracy on complex, high-stakes workloads. It features a 1M+ token context window (922K input, 128K output) with support for...

Context window1.1M
Max output128K
Provider endpoints2
Benchmark results0
Measured performance

Benchmark results

All leaderboards ↗
—

No published results in this index yet

Scores appear here when an evaluation matches this exact model.

Access & cost

Prices across providers

3 quotes

OpenRouter

Catalog quote
Input
$15.00
Output
$90.00
USD / 1M tokens
1.1M context128K max outputPrice source ↗Checked Oct 17, 2026
Endpoint IDopenai/gpt-5.5-pro:batch

OpenAI

via OpenRouter

openai · prompt ≤ 272000 tokens

Input
$15.00
Output
$90.00
USD / 1M tokens

Web search $0.01/search

1.1M context128K max outputPrice source ↗Checked Oct 17, 2026
Endpoint IDopenai/gpt-5.5-pro:batch::openai

OpenAI

via OpenRouter

openai · prompt over 272000 tokens · rate option 1

Conditional rate
Input
$30.00
Output
$135.00
USD / 1M tokens

Web search $0.01/search · A rate applies when all its listed conditions match. Dates and times use UTC.

1.1M context128K max outputPrice source ↗Checked Oct 17, 2026
Endpoint IDopenai/gpt-5.5-pro:batch::openai

Model specifications

Developer
openai
Modality
Language
Context
1,050,000 tokens
Maximum output
128,000 tokens
Weights
Not reported
Provider listed
Apr 24, 2026
First discovered
Oct 16, 2026

Exact identities

  • openrouteropenai/gpt-5.5-pro:batch

Sources

Updated Oct 17, 2026

More from openai

View all ↗
openaiListed 18 days ago

OpenAI: GPT-6.1 Sol Pro

GPT-6.1 Sol Pro is the same underlying model as GPT-6.1 Sol, served with reasoning.mode set to pro for higher-quality responses on complex tasks. Cost note: pro mode spends far more...

1.1M contextImage inputTool callingNo reported score
No reported score
$1.00in$5.00out/ 1M tokens · USDOpenAI · via OpenRouter · 8 endpointsopenai/flex · tier=flex · prompt ≤ 272000 tokens
openaiListed 18 days ago

OpenAI: GPT-6.1 Sol Pro (batch)

GPT-6.1 Sol Pro is the same underlying model as GPT-6.1 Sol, served with reasoning.mode set to pro for higher-quality responses on complex tasks. Cost note: pro mode spends far more...

1.1M contextImage inputTool callingNo reported score
No reported score
$1.00in$5.00out/ 1M tokens · USDOpenAI · via OpenRouter · 2 endpointsopenai · prompt ≤ 272000 tokens
openaiListed 18 days ago

OpenAI: GPT-6.1 Sol (batch)

GPT-6.1 Sol is an upgrade to GPT-6 Sol from OpenAI, positioned below the flagship GPT-6 Astra in the GPT-6 series. It is suited for agentic coding, computer use, document-heavy professional...

1.1M contextImage inputTool callingNo reported score
No reported score
$1.00in$5.00out/ 1M tokens · USDOpenAI · via OpenRouter · 2 endpointsopenai · prompt ≤ 272000 tokens