GPT-5.5 Instant (June 2026) API Pricing

OpenAI · released 2026-06-25

Also searched as: GPT-5.5 Instant pricing · GPT 5.5 Instant price · 5.5 Instant cost

GPT-5.5 Instant (June 2026) price

$5.00
input / 1M tokens
0.500¢ / 1K
$30.00
output / 1M tokens
3.00¢ / 1K
$11.25
blended / 1M tokens
1.12¢ / 1K

What it actually costs

WorkloadTokensCost
Short chat reply500 in / 300 out$0.0115
RAG query4,000 in / 500 out$0.0350
Long document summary50,000 in / 1,000 out$0.2800
Code review of a 2k-line file30,000 in / 2,000 out$0.2100
1,000 chat replies/day for 30 days30,000 × (500 in / 300 out)$345.00

Cost = (input tokens ÷ 1,000,000 × $5.00) + (output tokens ÷ 1,000,000 × $30.00).

Benchmarks

26.0
Intelligence
#83 of 547
39.4
Coding
#92 of 195
—
Math
155
Tokens/sec
0.75s
Time to first token

Similar intelligence, lower price

ModelIntelligenceBlended $/1M
DeepSeek V4 Flash 0420 (High)24.4$0.142
Solar Mini 424.1$0.175
Hy325.3$0.241
Solar Pro 428.2$0.525
Inkling Small25.7$0.525

Leaderboard neighbours

ModelIntelligenceBlended $/1M
Claude Opus 4.6 (Non-reasoning, High)26.4$10.00
Gemini 3 Flash Preview (Reasoning)26.3$1.125
GLM-5.1 (Reasoning)26.1$1.981
GPT-5.5 Instant (June 2026)26.0$11.25
MiMo-V2.5-Pro (Reasoning)26.0$0.544
Kimi K2.7 Code25.8$1.712
Grok 4.20 0309 v2 (Reasoning)25.7$1.563

More from OpenAI

ModelIntelligenceBlended $/1M
GPT-6 Astra (Max)52.7$20.00
GPT-6.1 Sol (Max)51.8$4.00
GPT-6 Sol (Max)47.6$4.00
GPT-5.6 Sol (Max)47.0$8.00
GPT-5.6 Terra (Max)42.1$4.50
GPT-5.4 (Xhigh)39.0$5.625
GPT-5.5 (Xhigh)38.4$11.25
GPT-6 Luna (Max)38.1$0.20

Count tokens & estimate cost for GPT-5.5 Instant (June 2026) See GPT-5.5 Instant (June 2026) on the leaderboard

Source: Artificial Analysis · last synced 2026-10-15

FAQ

Who develops GPT-5.5 Instant (June 2026)?

GPT-5.5 Instant (June 2026) is developed by OpenAI, released 2026-06-25.

How much does GPT-5.5 Instant (June 2026) cost per million tokens?

GPT-5.5 Instant (June 2026) costs $5.00 per 1M input tokens and $30.00 per 1M output tokens ($11.25 blended), per Artificial Analysis's official pricing data.

What is the GPT-5.5 Instant (June 2026) API price?

The GPT-5.5 Instant (June 2026) API price is $5.00 per 1M input tokens and $30.00 per 1M output tokens ($11.25 per 1M blended).

How much does GPT-5.5 Instant (June 2026) cost for a typical request?

A short chat reply (500 in / 300 out tokens) costs about $0.0115 on GPT-5.5 Instant (June 2026), at $5.00/1M input and $30.00/1M output.

Is GPT-5.5 Instant (June 2026) free?

GPT-5.5 Instant (June 2026)'s official API list price is $5.00 per 1M input tokens and $30.00 per 1M output tokens. This site tracks list prices only, not free tiers or trial credits — check OpenAI's site for those.

How does GPT-5.5 Instant (June 2026) rank on benchmarks?

GPT-5.5 Instant (June 2026) scores 26.0 on the Artificial Analysis Intelligence Index, ranking #83 of 547 models we track.

Is there a cheaper model with similar intelligence to GPT-5.5 Instant (June 2026)?

Yes — DeepSeek V4 Flash 0420 (High) scores similar intelligence (24.4) at $0.142/1M blended, versus $11.25/1M for GPT-5.5 Instant (June 2026).

Where does this data come from?

Pricing and benchmark data for GPT-5.5 Instant (June 2026) comes from Artificial Analysis (artificialanalysis.ai), synced daily. Last synced 2026-10-15.