OpenAI GPT
OpenAI
OpenAI's GPT-5.4 brings a 1M token context window, 5-level reasoning control, and 75% accuracy on OSWorld computer use tasks. The mini and nano variants offer aggressive pricing for high-volume deployments.
chatgpt.comLast updated: April 20, 2026
$2.50/M
GPT-5.4 Input
1M
Context Window
128K
Max Output
94.3%
GPQA Diamond
Available Models
| Model | Input $/1M | Output $/1M | Context | Best For |
|---|---|---|---|---|
| GPT-5.4 (flagship) | $2.50 | $15.00 | 1M | Complex reasoning, coding, agents |
| GPT-5.4-mini | $0.75 | $4.50 | 400K | High-volume chat, lightweight tasks |
| GPT-5.4-nano | $0.20 | $1.25 | 400K | Edge inference, classification |
| GPT-5.4-pro | $10.00 | $40.00 | 1M | Maximum quality, complex tasks |
| o3 (reasoning) | $10.00 | $40.00 | 200K | Deep reasoning, math, science |
| o4-mini | $1.10 | $4.40 | 200K | Fast reasoning at lower cost |
Consumer Plans
| Plan | Price | Includes |
|---|---|---|
| Free | $0/mo | GPT-5.4-mini access |
| Go | $8/mo | Basic GPT-5.4 access |
| Plus | $20/mo | Full GPT-5.4, DALL-E, advanced tools |
| Pro | $200/mo | Unlimited access, o3, GPT-5.4-pro |
| Business | $25/user/mo | Team features, admin controls |
Strengths & Weaknesses
Strengths
- Leading GPQA Diamond score: 94.3% (OpenAI Docs)
- 1M token context window
- 5-level reasoning control (none to xhigh)
- 75% OSWorld computer use accuracy
- Multimodal: vision, realtime audio, image gen
Weaknesses
- Can be verbose on simple queries
- SWE-bench trails Claude (57.7% vs 80.8%) (NxCode)
- Pro variant pricing is steep ($200/mo)
Best For
- Professional workflows and complex reasoning
- Computer use and autonomous subagents
- Realtime voice and image generation
- High-volume production with nano/mini tiers
- Multi-modal applications (vision + audio + text)
Latest Release NEW
GPT-5.4 — March 2026
- 1M+ token context window — largest in the GPT family
- 75% OSWorld computer use accuracy for agentic tasks
- 5-level reasoning control from quick answers to deep analysis
- Native coding improvements with built-in code execution
- LMSYS Arena Elo ~1495 — top-tier across benchmarks
Previous Releases
GPT-5.3 Codex — January 2026
- Code-specialized variant with enhanced software engineering capabilities
- Introduced multi-step tool use for complex coding tasks
- Predecessor to GPT-5.4's integrated coding features
GPT-4o — May 2024
- First natively multimodal GPT model — text, image, audio in one model
- Significantly faster and cheaper than GPT-4 Turbo
- Still widely used in production and available via API