GPT-5.5
Model overview
gpt-5.5
OpenAI's GPT-5.5 model for coding and professional work.
general LLMreasoningcodingvision-languageagentchatcode generationsoftware engineering agententerprise access
Representative version
gpt-5.5
| Company | OpenAI |
|---|---|
| Release | Not disclosed |
| Release type | Model release |
| Parameters | Not disclosed |
| Architecture | Not disclosed |
| Context | 1,050,000 |
| Input modalities | text / image |
| Output modalities | text |
| Tool use / function calling | Confirmed: Tool use, Function calling |
| Structured output / reasoning | Confirmed: Structured output, Reasoning |
| Vision / audio / video | Confirmed: Vision; Not shown: Audio, Video |
| Open weights / License | No open weights currently / weight license not disclosed openai-gpt-5-5-current · License not applicable |
| Vendor API | Available GPT-5.5 Model | OpenAI APIopenai-gpt-5-5-current · 2026-08-10 |
| OpenRouter | OpenRouter listed |
| Pricing | OpenRouter · 2026-08-11: $5 / $30 input / output, per 1M tokens |
| Benchmark | LMArena 1 row |
| Public signals | No reliable public source |
| Use cases | assistant chat / code generation / software engineering agent / enterprise API |
| Claim evidence | Release event / Model specificationsGPT-5.5 Model | OpenAI APIgpt-5.5 · GPT-5.5 · gpt-5.5 OpenRouter context / capabilities / pricingOpenRouter public models APIopenai/gpt-5.5 · 2026-08-11T06:28:09.895Z |
OpenRouter
Pricing / context / availability
| OpenRouter | OpenRouter listed |
|---|---|
| OpenRouter listing | openai/gpt-5.5 |
| Mapped version | gpt-5.5 openai-gpt-5-5-current |
| Pricing | OpenRouter · 2026-08-11: $5 / $30 input / output, per 1M tokens |
| Context | 1050000 |
| Speed/Latency | No reliable public source |
| Snapshot time | 2026-08-11T06:28:09.895Z |
| Source | View source |
Source-bounded public ranking
OpenRouter weekly token-usage ranking
| Source | Model / version | Metric | Rank | Value | Checked | Link |
|---|---|---|---|---|---|---|
| OpenRouter | OpenAI: GPT-5.5 0423 openai-gpt-5-5-current | Weekly token usage on OpenRouter public rankings API | 47 | 161,874,431,447 tokens | 2026-08-11 | View source |
OpenRouter weekly prompt-plus-completion token usage only; this is not a model-quality or whole-market ranking.
Benchmark
Ranking evidence
| Source | Task | Rank | Score | Sample | Time | Link |
|---|---|---|---|---|---|---|
| LMArena | LMArena Search leaderboard score | 2 | 1,237 | Not applicable | 2026-05-26T07:37:39.286Z | View source |
Missing public information
Public information not yet available
Parameter scale not disclosedRelease date not disclosedNo public model-card activity countersNo linkable model-specific reviewSpeed/latency not disclosed