GPT-5.4 API
$2.118(~ 144 credits) per 1M input tokens; $12.706(~ 864 credits) per 1M output tokens
$0.212(~ 14.4 credits) per 1M cache read tokens
Highest stability with guaranteed 99.9% uptime. Recommended for production environments.
Use the same API endpoint for all versions. Only the model parameter differs.
GPT-5.4 API with Discounted Pricing, Computer Use & Tool Search
Access GPT-5.4 on EvoLink with discounted pricing vs OpenAI direct, native computer use, Tool Search, 1.05M context, 128K max output, and drop-in OpenAI-compatible integration.
How GPT-5.4 Compares on EvoLink
A quick buyer-focused comparison across frontier models available behind one EvoLink API key.
| Metric | GPT-5.4 | Claude Opus 4.6 | Gemini 3.1 Pro |
|---|---|---|---|
| Context Window | 1.05M | 200K (1M beta) | 1M |
| Max Output | 128K | 128K | 64K |
| Native Computer Use | Yes | No | No |
| Tool Search | Yes | No | No |
| Reasoning Controls | none to xhigh | standard / extended | limited public controls |
| EvoLink Input | $2.00 / 1M | $4.50 / 1M | $1.60 / 1M |
| EvoLink Output | $12.00 / 1M | $22.50 / 1M | $12.00 / 1M |
What Can You Build with GPT-5.4?
Autonomous agents that operate browsers and desktop software
Build GPT-5.4 agents that click, type, browse, and complete multi-step UI workflows with native computer use. EvoLink lets you access this capability with discounted pricing, so you can test and ship agentic workflows without paying OpenAI direct rates.
Full-codebase and long-document analysis with 1.05M context
Process entire repositories, long policy packs, or large research sets in a single request. GPT-5.4vides 1.05M context and improved token efficiency, which makes long-context analysis more practical and cost-effective through EvoLink.
Enterprise tool orchestration with Tool Search
Use GPT-5.4 for workflows that need many tools, internal APIs, or MCP connectors. Tool Search helps the model select the right tools on demand instead of loading everything into every prompt, which improves agent quality and lowers token waste.
Why Use GPT-5.4 Through EvoLink?
Get GPT-5.4 with official-price discounts, one API key, and a deployment path that stays OpenAI-compatible.
Discounted pricing vs OpenAI direct
EvoLink gives you GPT-5.4 at a lower price than OpenAI direct, so you can test native computer use and long-context workflows with a better cost structure from day one.
OpenAI-compatible migration path
For most teams, moving from OpenAI direct to EvoLink is a model endpoint swap, not a platform rewrite. Keep the same request shape while gaining better pricing and routing flexibility.
One key across GPT, Claude, and Gemini
Use one EvoLink API key to access GPT-5.4 plus other frontier models. That makes it easier to compare vendors, add fallbacks, and route traffic without multiplying integration work.
How to Integrate
Three steps from key creation to production monitoring.
Get your API key
Sign up on EvoLink, generate your API key, and use it immediately with GPT-5.4 and 47+ other models.
Send your request
POST with model set to "gpt-5.4", your messages array, and optional parameters.
Deploy and monitor
Track usage, costs, and reasoning-token consumption in the EvoLink dashboard and scale workflows when ready.
Key GPT-5.4 Features
The core capabilities that make GPT-5.4 a strong fit for production agents, coding systems, and long-context enterprise workflows.
1.05M Context Window
Process entire repositories and book-length documents in one request.
128K Max Output
Generate complete reports and long implementations in one response.
Native Computer Use
Operate software via screenshots and keyboard/mouse commands (OSWorld 75.0%, human 72.4%).
Tool Search
Agents can identify and use the right tools in larger ecosystems without overloading every prompt.
Adjustable Reasoning
Choose reasoning effort from none to xhigh based on latency, depth, and task difficulty.
Better Token Efficiency
Uses fewer tokens than GPT-5.2 for equivalent problem-solving in many workloads.
Benchmarks: GPT-5.4 vs GPT-5.2
Verified benchmark deltas highlight stronger professional performance, tool use, browsing quality, and computer-use reliability.
| Benchmark | GPT-5.4 | GPT-5.2 |
|---|---|---|
| GDPval | 83.0% | 70.9% |
| SWE-Bench Pro | 57.7% | 55.6% |
| OSWorld (Human: 72.4%) | 75.0% | 47.3% |
| Toolathlon | 54.6% | 46.3% |
| BrowseComp | 82.7% | 65.8% |
| MMMU-Pro | 81.2% | 79.5% |
| Factual errors per claim | 33% fewer | Baseline |
| Factual errors per response | 18% fewer | Baseline |
Frequently Asked Questions
Everything you need to know about the product and billing.
GPT Model Family
Switch between GPT family models with one API key and the same deployment surface.
Further Reading
Supporting blog coverage for pricing analysis, comparisons, and release context.