{"slug": "gpt-5-5-instant-june-2026-intelligence-performance-and-price-analysis", "title": "GPT-5.5 Instant (June 2026) Intelligence, Performance and Price Analysis", "summary": "OpenAI released GPT-5.5 Instant on June 25, 2026, a reasoning model with a 400k-token context window and knowledge cutoff of August 2025. Priced at $5.00 per 1M input tokens and $30.00 per 1M output tokens, it supports text and image input and outputs text, positioning it as an expensive but high-performance option for complex tasks.", "body_md": "# GPT-5.5 Instant (June 2026) Intelligence, Performance & Price Analysis\n\n[API Provider Benchmarks](/models/gpt-5-5-instant-06-26/providers)\n\n### Model summary\n\n#### IntelligenceUpdated\n\n#### Speed\n\n#### Price\n\n#### Cache Hit Price\n\n#### Verbosity\n\nGPT-5.5 Instant (June 2026) supports text and image input, outputs text, and has a 400k tokens context window with knowledge up to August 2025.\n\nPricing for GPT-5.5 Instant (June 2026) is $5.00 per 1M input tokens (expensive, average: $1.55) and $30.00 per 1M output tokens (expensive, average: $8.05).\n\n| Reasoning | Yes This page shows the reasoning version of this model. A non-reasoning variant may also exist. |\n|---|---|\n| Input modality | Supports: text, image |\n| Output modality | Supports: text |\n| Knowledge cutoff | Aug 31, 2025 |\n| Context window | 400k ~600 A4 pages of size 12 Arial font |\n\nMetrics are compared against models of the same class:\n\n- Non-reasoning models → compared only with other non-reasoning models\n- Reasoning models → compared across both reasoning and non-reasoning\n- Open weights models → compared only with other open weights models of the same size class:\n- Tiny: ≤4B parameters\n- Small: 4B–40B parameters\n- Medium: 40B–150B parameters\n- Large: >150B parameters\n- Proprietary models → compared across proprietary and open weights models of the same price range, using a blended 3:1 input/output price ratio:\n- <$0.15 per 1M tokens\n- $0.15–$1 per 1M tokens\n- >$1 per 1M tokens\n\nHighlights\n\n## IntelligenceUpdated\n\n### Artificial Analysis Intelligence Index\n\n### Artificial Analysis Intelligence Index by Open Weights / Proprietary\n\n### Intelligence Evaluations\n\n[GDPval-AA v2](/evaluations/gdpval-aa)Updated\n\nAgentic real-world work tasks, (Elo-500)/2000\n\n[𝜏³-Banking](/evaluations/tau3-banking)New\n\nAgentic tool use\n\nAgentic coding & terminal use\n\nCoding\n\nReasoning & knowledge\n\nScientific reasoning\n\nPhysics reasoning\n\nKnowledge\n\n1 - hallucination rate\n\nLong context reasoning\n\n[AA-Briefcase](/evaluations/aa-briefcase)New\n\nAgentic knowledge work, (Elo-500)/2000\n\nInstruction following\n\nLong-horizon agentic tasks\n\nKubernetes incident root-cause analysis\n\nVisual reasoning\n\n## AA-BriefcaseNew\n\n### AA-Briefcase Elo\n\n## Openness\n\n### Artificial Analysis Openness Index: Score\n\n## Intelligence Index Comparisons\n\n### Intelligence vs. Cost per Intelligence Index Task\n\n## Token UseUpdated\n\n### Output Tokens per Intelligence Index Task\n\n## Price and CostUpdated\n\n### Cost per Intelligence Index Task\n\n### Cost to Run Artificial Analysis Intelligence Index\n\n### Pricing: Cache Hit, Input, and Output\n\n## Context Window\n\n### Context Window\n\n## SpeedUpdated\n\nMeasured by Output Speed (tokens per second)\n\n### Output Speed\n\n### Time per Intelligence Index Task\n\n## Latency\n\nMeasured by Time (seconds) to First Token\n\n### Latency: Time To First Answer Token\n\n## End-to-End Response Time\n\nSeconds to output 500 tokens, calculated based on time to first token, 'thinking' time for reasoning models, and output speed\n\n### End-to-End Response Time\n\n## Model Size (Open Weights Models Only)\n\n### Model Size: Total and Active Parameters\n\n## Frequently Asked Questions\n\nCommon questions about GPT-5.5 Instant (June 2026)\n\nGPT-5.5 Instant (June 2026) was released on June 25, 2026.\n\nGPT-5.5 Instant (June 2026) was created by OpenAI.\n\nGPT-5.5 Instant (June 2026) costs $5.00 per 1M input tokens (at the higher end, median: $1.55) and $30.00 per 1M output tokens (at the higher end, median: $8.05), based on OpenAI's API.\n\nGPT-5.5 Instant (June 2026) costs $5.00 per 1M input tokens and $30.00 per 1M output tokens (based on OpenAI's API). For a blended rate (7:2:1 cache hit/input/output ratio), this is $4.35 per 1M tokens. Pricing may vary by provider. [Compare provider pricing](/models/gpt-5-5-instant-06-26/providers)\n\nYes, GPT-5.5 Instant (June 2026) is a reasoning model. It uses extended thinking or chain-of-thought reasoning to work through complex problems before providing an answer.\n\nGPT-5.5 Instant (June 2026) supports text and image input.\n\nGPT-5.5 Instant (June 2026) supports text output.\n\nYes, GPT-5.5 Instant (June 2026) supports image input and can analyze, describe, and answer questions about images.\n\nYes, GPT-5.5 Instant (June 2026) is multimodal. It can process text and image input and generate text output.\n\nGPT-5.5 Instant (June 2026) has a context window of 400k tokens. This determines how much text and conversation history the model can process in a single request.\n\nNo, GPT-5.5 Instant (June 2026) is proprietary. The model weights are not publicly available.\n\nGPT-5.5 Instant (June 2026) is a proprietary model and OpenAI has not disclosed the model size or parameter count.\n\nGPT-5.5 Instant (June 2026) has a knowledge cutoff of August 2025. The model's training data includes information up to this date.\n\nCheck the providers page for current API availability. [View providers](/models/gpt-5-5-instant-06-26/providers)\n\nVisit the providers page to see availability. [Compare providers](/models/gpt-5-5-instant-06-26/providers)", "url": "https://wpnews.pro/news/gpt-5-5-instant-june-2026-intelligence-performance-and-price-analysis", "canonical_source": "https://artificialanalysis.ai/models/gpt-5-5-instant-06-26", "published_at": "2026-06-29 08:22:17+00:00", "updated_at": "2026-06-29 08:59:00.189929+00:00", "lang": "en", "topics": ["large-language-models", "generative-ai", "ai-products", "ai-research", "ai-infrastructure"], "entities": ["OpenAI", "GPT-5.5 Instant"], "alternates": {"html": "https://wpnews.pro/news/gpt-5-5-instant-june-2026-intelligence-performance-and-price-analysis", "markdown": "https://wpnews.pro/news/gpt-5-5-instant-june-2026-intelligence-performance-and-price-analysis.md", "text": "https://wpnews.pro/news/gpt-5-5-instant-june-2026-intelligence-performance-and-price-analysis.txt", "jsonld": "https://wpnews.pro/news/gpt-5-5-instant-june-2026-intelligence-performance-and-price-analysis.jsonld"}}