OpenAI · Released Mar 5, 2026
GPT-5.4
GPT-5.4 is OpenAI’s latest frontier model, unifying the Codex and GPT lines into a single system. It features a 1M+ token context window (922K input, 128K output) with support for...
- Top 5%Terminal-Bench
- Top 18%GPQA Diamond
- Top 18%CritPt
- Top 20%SciCode
- Released
- Mar 5 2026
- Context window
- 1.05M 128K out
- Input / 1M tokens
- $2.50 from $1.25
- Output / 1M tokens
- $15.00 from $7.50
Where to run it
3 providers compared
Cheapest: OpenAI at $1.25 / $7.50 per 1M input / output tokens — 75% less than the priciest option.
| Provider | Input | Output | Cache read | Context | Max output | Uptime | vs. best |
|---|---|---|---|---|---|---|---|
| OpenAI | $1.25 | $7.50 | $0.13 | 1.05M | 128K | 75.4%24h | Cheapest |
| Azure | $2.50 | $15.00 | $0.25 | 1.05M | 128K | 100%24h | +100% |
| OpenAI | $2.50 | $15.00 | $0.25 | 1.05M | 128K | 100%24h | +100% |
| Azureus | $2.75 | $16.50 | $0.28 | 1.05M | 128K | 100%24h | +120% |
| Azureeu | $2.75 | $16.50 | $0.28 | 1.05M | 128K | 100%24h | +120% |
| Amazon Bedrockus-east-1 | $2.75 | $16.50 | $0.28 | 1.05M | 128K | — | +120% |
| OpenAIfast | $5.00 | $30.00 | $0.50 | 1.05M | 128K | — | +300% |
Value
Price vs. performance
GPT-5.4 Other OpenAI Other labs Value frontier · GPQA Diamond vs. input price per 1M tokens (log scale) · Drag to pan, pinch or Ctrl + scroll to zoom, double-click to zoom in.
Benchmarks
27 benchmark scores
| Benchmark | Score | Rank | Leader |
|---|---|---|---|
| DeepSWESoftware engineering · Original long-horizon tasks across active open-source repos | 51.8% | #20of 26 | GPT-6 Astra74.1% |
| SWE-bench VerifiedSoftware engineering · Real GitHub issues fixed in Python repos | 76.9% | #8of 26 | Claude Opus 4.783.5% |
| Terminal-BenchSoftware engineering · Tasks completed with the programs in a real terminal (best agent) | 81.8% | #2of 40 | GPT-5.584.7% |
| MirrorCodeSoftware engineering · Reimplement whole programs end-to-end without the source | 15.6% | #7of 9 | Claude Opus 5.577.4% |
| GBAEvalSoftware engineering · Build a Game Boy Advance emulator from scratch | 45.1% | #10of 23 | Claude Opus 579.6% |
| GSOSoftware engineering · Optimize real code to make it significantly faster | 31.4% | #10of 20 | Claude Fable 5.188.2% |
| SciCodeSoftware engineering · Research-coding problems from the natural sciences | 56.6% | #18of 93 | Claude Opus 5.566.9% |
| METR time horizonSoftware engineering · Length of software task solved more often than not | 5.7 h | #5of 13 | Claude Opus 4.612 h |
| APEX-AgentsAgents & computer use · Long professional tasks in banking, consulting and law | 52.4% | #24of 51 | Gemini 4 Argon82.4% |
| Vending-Bench 2Agents & computer use · Run a simulated vending business for a year (final balance) | $6,144 | #20of 61 | GPT-6 Astra$15,515 |
| PostTrainBenchAgents & computer use · Post-train small models under a fixed compute budget | 19.0% | #11of 11 | Claude Fable 541.8% |
| DeepResearch BenchWriting & content · Find and synthesize information from the web | 35.1% | #19of 20 | Claude Opus 4.655.3% |
| SimpleQA VerifiedWriting & content · Factual accuracy on 1,000 short questions | 45.1% | #35of 66 | Gemini 4 Argon76.0% |
| WebDev ArenaDesign & visual · People vote on which model builds the better website (Elo) | 1463 | #52of 88 | Claude Opus 5.51820 |
| Blueprint-Bench 2Design & visual · Turn apartment photos into 2D floor plans | 27.1% | #21of 32 | Gemini 4 Argon54.4% |
| Furniture AssemblyDesign & visual · Spot mistakes in photos of IKEA builds | 37.5% | #18of 34 | Claude Opus 5.583.3% |
| GPQA DiamondReasoning & knowledge · PhD-level biology, chemistry and physics questions | 93.3% | #16of 92 | Gemini 4 Argon96.4% |
| Humanity's Last ExamReasoning & knowledge · Expert questions across 100+ subjects | 36.2% | #7of 23 | GPT-6 Astra54.8% |
| ARC-AGI-2Reasoning & knowledge · Few-shot abstract reasoning on grid puzzles | 74.0% | #18of 63 | GPT-6 Astra95.0% |
| ARC-AGI-1Reasoning & knowledge · Pattern induction from input–output examples | 93.7% | #21of 63 | Gemini 4 Argon98.5% |
| CritPtReasoning & knowledge · Open-ended, research-level physics problems | 23.4% | #17of 96 | GPT-5.6 Sol32.3% |
| Chess PuzzlesReasoning & knowledge · Find the single best move in 100 new puzzles | 48.0% | #17of 70 | GPT-6 Astra76.0% |
| LMCAReasoning & knowledge · Judge the quality of conceptual arguments like experts | 52.0% | #22of 96 | Claude Sonnet 5.568.3% |
| FrontierMathMaths · Expert-written problems, undergrad to early research (tiers 1–3) | 78.6% | #18of 72 | GPT-6.1 Sol93.7% |
| FrontierMath Tier 4Maths · Exceptionally hard research-level problems | 49.0% | #18of 62 | GPT-6.1 Sol100.0% |
| ProofBenchMaths · Graduate maths proofs verified in Lean 4 | 56.0% | #24of 70 | Claude Sonnet 5.5100.0% |
| OTIS Mock AIMEMaths · Competition-style problems harder than MATH Level 5 | 97.8% | #27of 90 | Gemini 4 Argon100.0% |
Specs
Details
- Model ID
openai/gpt-5.4- Developer
- OpenAI
- Release date
- Mar 5, 2026 ·
- Context window
- 1,050,000 tokens
- Max output
- 128,000 tokens
- API price
- $2.50 / $15.00 per 1M input / output tokens
- Providers
- 3
- Input types
- text, image, file
- Reasoning
- Yes
- Tool calling
- Yes
- Open weights
- No
- Free tier
- No
Release date, prices and providers from OpenRouter's catalog; buying directly from a provider can cost a little differently. Uptime is the share of OpenRouter requests each provider served over the last day. Benchmark scores are the best result per benchmark from Epoch AI, licensed CC BY 4.0. Rank counts every model tracked here with a score.