Pricingby GlyphGPT-5.4 is OpenAI’s latest frontier model, unifying the Codex and GPT lines into a single system.
Ways to buy 9
| Way to buy | Input | Output | In / out per 1M | Cached | Vs list |
|---|---|---|---|---|---|
flex, cheapest · cached $0.125 | $1.25 | $7.5 | $1.25 / $7.5-50% vs list | $0.125 | -50% vs list |
The lab's own API · cached $0.25 | $2.5 | $15 | $2.5 / $15List price | $0.25 | List price |
Default region · cached $0.25 | $2.5 | $15 | $2.5 / $15Same as list | $0.25 | Same as list |
From the platform pricing page | $2.5 | $15 | $2.5 / $15Same as list | n/a | Same as list |
 AWS Bedrockus-east-1 · cached $0.275 | $2.75 | $16.5 | $2.75 / $16.5+10% vs list | $0.275 | +10% vs list |
eu · cached $0.275 | $2.75 | $16.5 | $2.75 / $16.5+10% vs list | $0.275 | +10% vs list |
us · cached $0.275 | $2.75 | $16.5 | $2.75 / $16.5+10% vs list | $0.275 | +10% vs list |
From the platform pricing page | $3 | $18 | $3 / $18+20% vs list | n/a | +20% vs list |
fast · cached $0.5 | $5 | $30 | $5 / $30+100% vs list | $0.5 | +100% vs list |
USD per 1M tokens; batch $1.25 in, $7.5 out on the lab's API. Regions are separate routes.
Through a gateway
Your own numbers100M input and 20M output tokens a month: $550.00 direct.
Helicone$550.00+0%
Kong AI Gateway$550.00+0%
LiteLLM$550.00+0%
Neon AI Gateway$550.00+0%
Vercel AI Gateway$550.00+0%
Cloudflare AI Gateway$577.50+5%
Requesty$577.50+5%
Eden AI$580.25+5.5%
OpenRouter$580.25+5.5%
No published token fee: Martian Gateway, Portkey, TrueFoundry AI Gateway.
Related models
| In / out per 1M | Cheapest route | |||||||
|---|---|---|---|---|---|---|---|---|
OpenAI · 1.05MCheapest: $1 on OpenAI (flex) | $1 | $5 | $1 / $5 | $2 | 1.05M | $1 on OpenAI (flex) | · | GPT-6.1 Terra is the mid-tier model in OpenAI's GPT-6.1 series, priced below GPT-6.1 Sol. |
OpenAI · 1.05MCheapest: $1 on OpenAI (flex) | $1 | $5 | $1 / $5 | $2 | 1.05M | $1 on OpenAI (flex) | · | GPT-6.1 Terra Pro is the same underlying model as GPT-6.1 Terra, served with reasoning.mode set to pro for higher-quality responses on complex tasks. |
OpenAI · 1.05MCheapest: $2 on OpenAI (flex) | $2 | $10 | $2 / $10 | $4 | 1.05M | $2 on OpenAI (flex) | · | GPT-6.1 Sol is an upgrade to GPT-6 Sol from OpenAI, positioned below the flagship GPT-6 Astra in the GPT-6 series. |
OpenAI · 1.05MCheapest: $2 on OpenAI (flex) | $2 | $10 | $2 / $10 | $4 | 1.05M | $2 on OpenAI (flex) | · | GPT-6.1 Sol Pro is the same underlying model as GPT-6.1 Sol, served with reasoning.mode set to pro for higher-quality responses on complex tasks. |
Anthropic · 1M | $4 | $20 | $4 / $20 | $8 | 1M | Lab list price | · | Claude Opus 5.5 is Anthropic's flagship model for demanding reasoning, coding, and long-horizon agentic work, succeeding Claude Opus 5. |
Google · 1MCheapest: $2 on Google Gemini API (flex) | $2 | $10 | $2 / $10 | $4 | 1M | $2 on Google Gemini API (flex) | · | Gemini 4 Argon is Google's flagship reasoning model, built for complex software engineering, deep mathematical and scientific problem solving, and autonomous multi-step agents. |
Anthropic · 1M | $2 | $10 | $2 / $10 | $4 | 1M | Lab list price | · | Claude Sonnet 5.5 is Anthropic's Sonnet-class model for well-scoped everyday work, succeeding Claude Sonnet 5 as a direct upgrade. |
Anthropic · 1M | $5 | $25 | $5 / $25 | $10 | 1M | Lab list price | · | Claude Opus 5 is Anthropic’s flagship model for demanding reasoning, coding, and long-horizon agentic work. |
About GPT-5.4
Takes text, image, files in and returns text. First listed Mar 6, 2026. Up to 128K output tokens. Blended price $5.63 per 1M tokens at 3 input to 1 output. Overall score 1 on leadersboard.fru.dev (rank 39). Model id gpt-5-4.
Price history
List price since Mar 6, 2026, from Internet Archive snapshots of the OpenRouter catalog, then daily reads.
Questions
How much does GPT-5.4 cost?
$2.5 per million input tokens and $15 per million output tokens, with cached input at $0.25, or $1.25 and $7.5 through the Batch API.
What is the context window of GPT-5.4?
1.05M tokens, with up to 128K tokens of output.
Where is GPT-5.4 cheapest?
Of 9 routes tracked, OpenAI is cheapest at $1.25 input and $7.5 output per million tokens.