ModelsOpenAI
GPT-5.5 Pro
Context
1.1M
tokens
Released
Apr 24, 2026
on OpenRouter
Pricing
Price per million tokens
Input $/MTok
$30.00
OpenRouter · Jul 8, 2026
Output $/MTok
$180
OpenRouter · Jul 8, 2026
| Source | Tracked slug | In $/MTok | Out $/MTok | Cache read | Cache write | Context | Effective | Last Δ (in) |
|---|---|---|---|---|---|---|---|---|
| OpenRouter | openai/gpt-5.5-pro | $30.00 | $180 | — | — | 1.1M | Jul 8, 2026 | — |
| models.dev | fastrouter/openai/gpt-5.5-pro | $30.00 | $180 | — | — | 1.1M | Jul 8, 2026 | 10% |
| llm-prices.com | gpt-5.5-pro | $30.00 | $180 | — | — | — | Jul 8, 2026 | — |
latest tracked price per source · Δ = most recent input-price move within that source
3 sources tracking
Input $/MTok
Output $/MTok
per-source step lines · $/MTok
history since Jan 1, 2023
Specs
Context & availability
| Provider | OpenAI |
|---|---|
| Context window | 1.1M tokens |
| Listed on OpenRouter | Apr 24, 2026 |
| Tracked price sources | llm-prices.com · OpenRouter · models.dev |
| OpenRouter slugs | openai/gpt-5.5-pro · openai/gpt-5.5-pro-20260423 |
source: OpenRouter model catalog + tracked price feeds
id: gpt-5-5-pro
Usage
Share of OpenRouter tokens
90-day daily
usage share pending — this model isn't in the tracked OpenRouter model rankings yet
Benchmarks
Benchmark results
| Benchmark | Configuration | Score | Date | Source |
|---|---|---|---|---|
no benchmark results attributed to GPT-5.5 Pro yet | ||||
scores as published by each benchmark; configurations differ — compare within a row's benchmark only
Alternatives
Similar models
| # | Model | Tokens/day | 7d Δ | Head-to-head |
|---|---|---|---|---|
| 1 | Hy3Tencent | 857.5B | — | vs GPT-5.5 Pro |
| 2 | DeepSeek V4 FlashDeepSeek | 806.2B | 6.6% | vs GPT-5.5 Pro |
| 3 | MiniMax M3MiniMax | 665.9B | 9.8% | vs GPT-5.5 Pro |
| 5 | DeepSeek V4 ProDeepSeek | 530.6B | 50.5% | vs GPT-5.5 Pro |
ranked by OpenRouter usage-rank proximity
snapshot Jul 7, 2026
FAQ
GPT-5.5 Pro FAQ
- How much does GPT-5.5 Pro cost per token?
- GPT-5.5 Pro is priced at $30.00 per million input tokens and $180 per million output tokens, per OpenRouter as of Jul 8, 2026.
- What is GPT-5.5 Pro's context window?
- GPT-5.5 Pro supports a context window of up to 1.1M tokens, per OpenAI.
- What are the alternatives to GPT-5.5 Pro?
- By OpenRouter usage, comparable models include Hy3, DeepSeek V4 Flash, and MiniMax M3. Side-by-side comparisons are linked in the alternatives table.
Alerts
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