# GPT-5.5 Instant (June 2026) Intelligence, Performance and Price Analysis > Source: > Published: 2026-06-29 08:22:17+00:00 # GPT-5.5 Instant (June 2026) Intelligence, Performance & Price Analysis [API Provider Benchmarks](/models/gpt-5-5-instant-06-26/providers) ### Model summary #### IntelligenceUpdated #### Speed #### Price #### Cache Hit Price #### Verbosity GPT-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. Pricing 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). | Reasoning | Yes This page shows the reasoning version of this model. A non-reasoning variant may also exist. | |---|---| | Input modality | Supports: text, image | | Output modality | Supports: text | | Knowledge cutoff | Aug 31, 2025 | | Context window | 400k ~600 A4 pages of size 12 Arial font | Metrics are compared against models of the same class: - Non-reasoning models → compared only with other non-reasoning models - Reasoning models → compared across both reasoning and non-reasoning - Open weights models → compared only with other open weights models of the same size class: - Tiny: ≤4B parameters - Small: 4B–40B parameters - Medium: 40B–150B parameters - Large: >150B parameters - Proprietary models → compared across proprietary and open weights models of the same price range, using a blended 3:1 input/output price ratio: - <$0.15 per 1M tokens - $0.15–$1 per 1M tokens - >$1 per 1M tokens Highlights ## IntelligenceUpdated ### Artificial Analysis Intelligence Index ### Artificial Analysis Intelligence Index by Open Weights / Proprietary ### Intelligence Evaluations [GDPval-AA v2](/evaluations/gdpval-aa)Updated Agentic real-world work tasks, (Elo-500)/2000 [𝜏³-Banking](/evaluations/tau3-banking)New Agentic tool use Agentic coding & terminal use Coding Reasoning & knowledge Scientific reasoning Physics reasoning Knowledge 1 - hallucination rate Long context reasoning [AA-Briefcase](/evaluations/aa-briefcase)New Agentic knowledge work, (Elo-500)/2000 Instruction following Long-horizon agentic tasks Kubernetes incident root-cause analysis Visual reasoning ## AA-BriefcaseNew ### AA-Briefcase Elo ## Openness ### Artificial Analysis Openness Index: Score ## Intelligence Index Comparisons ### Intelligence vs. Cost per Intelligence Index Task ## Token UseUpdated ### Output Tokens per Intelligence Index Task ## Price and CostUpdated ### Cost per Intelligence Index Task ### Cost to Run Artificial Analysis Intelligence Index ### Pricing: Cache Hit, Input, and Output ## Context Window ### Context Window ## SpeedUpdated Measured by Output Speed (tokens per second) ### Output Speed ### Time per Intelligence Index Task ## Latency Measured by Time (seconds) to First Token ### Latency: Time To First Answer Token ## End-to-End Response Time Seconds to output 500 tokens, calculated based on time to first token, 'thinking' time for reasoning models, and output speed ### End-to-End Response Time ## Model Size (Open Weights Models Only) ### Model Size: Total and Active Parameters ## Frequently Asked Questions Common questions about GPT-5.5 Instant (June 2026) GPT-5.5 Instant (June 2026) was released on June 25, 2026. GPT-5.5 Instant (June 2026) was created by OpenAI. GPT-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. GPT-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) Yes, 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. GPT-5.5 Instant (June 2026) supports text and image input. GPT-5.5 Instant (June 2026) supports text output. Yes, GPT-5.5 Instant (June 2026) supports image input and can analyze, describe, and answer questions about images. Yes, GPT-5.5 Instant (June 2026) is multimodal. It can process text and image input and generate text output. GPT-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. No, GPT-5.5 Instant (June 2026) is proprietary. The model weights are not publicly available. GPT-5.5 Instant (June 2026) is a proprietary model and OpenAI has not disclosed the model size or parameter count. GPT-5.5 Instant (June 2026) has a knowledge cutoff of August 2025. The model's training data includes information up to this date. Check the providers page for current API availability. [View providers](/models/gpt-5-5-instant-06-26/providers) Visit the providers page to see availability. [Compare providers](/models/gpt-5-5-instant-06-26/providers)