OpenAI · Released Aug 7, 2025
GPT-5 Mini
GPT-5 Mini is a compact version of GPT-5, designed to handle lighter-weight reasoning tasks. It provides the same instruction-following and safety-tuning benefits as GPT-5, but with reduced latency and cost....
- Top 47%Lech Mazur Writing
- Released
- Aug 7 2025
- Context window
- 400K 128K out
- Input / 1M tokens
- $0.25 from $0.13
- Output / 1M tokens
- $2.00 from $1.00
Where to run it
2 providers compared
Cheapest: OpenAI at $0.13 / $1.00 per 1M input / output tokens — 55% less than the priciest option.
| Provider | Input | Output | Cache read | Context | Max output | Uptime | vs. best |
|---|---|---|---|---|---|---|---|
| OpenAI | $0.13 | $1.00 | $0.012 | 400K | 128K | 100%24h | Cheapest |
| Azure | $0.25 | $2.00 | $0.03 | 400K | 360K | 100%24h | +100% |
| OpenAI | $0.25 | $2.00 | $0.025 | 400K | 128K | 100%24h | +100% |
| Azureswedencentral | $0.28 | $2.20 | $0.033 | 400K | 360K | 100%24h | +120% |
Value
Price vs. performance
GPT-5 Mini 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
19 benchmark scores
| Benchmark | Score | Rank | Leader |
|---|---|---|---|
| SWE-bench VerifiedSoftware engineering · Real GitHub issues fixed in Python repos | 64.7% | #23of 26 | Claude Opus 4.783.5% |
| Terminal-BenchSoftware engineering · Tasks completed with the programs in a real terminal (best agent) | 34.8% | #29of 40 | GPT-5.584.7% |
| SciCodeSoftware engineering · Research-coding problems from the natural sciences | 39.2% | #76of 93 | Claude Opus 5.566.9% |
| Vending-Bench 2Agents & computer use · Run a simulated vending business for a year (final balance) | $-31 | #61of 61 | GPT-6 Astra$15,515 |
| Lech Mazur WritingWriting & content · Short stories weaving 10 required elements, judged 0–10 | 8.31/10 | #6of 13 | GPT-58.60/10 |
| Fiction.LiveBenchWriting & content · Understanding long creative writing (16k tokens) | 69.4% | #9of 15 | GPT-597.2% |
| SimpleQA VerifiedWriting & content · Factual accuracy on 1,000 short questions | 21.6% | #60of 66 | Gemini 4 Argon76.0% |
| VPCTDesign & visual · Read diagrams of balls rolling down ramps | 40.2% | #5of 9 | GPT-5.284.0% |
| GPQA DiamondReasoning & knowledge · PhD-level biology, chemistry and physics questions | 75.0% | #78of 92 | Gemini 4 Argon96.4% |
| Humanity's Last ExamReasoning & knowledge · Expert questions across 100+ subjects | 19.4% | #17of 23 | GPT-6 Astra54.8% |
| ARC-AGI-2Reasoning & knowledge · Few-shot abstract reasoning on grid puzzles | 4.4% | #58of 63 | GPT-6 Astra95.0% |
| ARC-AGI-1Reasoning & knowledge · Pattern induction from input–output examples | 54.3% | #55of 63 | Gemini 4 Argon98.5% |
| CritPtReasoning & knowledge · Open-ended, research-level physics problems | 0.0% | #89of 96 | GPT-5.6 Sol32.3% |
| Chess PuzzlesReasoning & knowledge · Find the single best move in 100 new puzzles | 24.0% | #51of 70 | GPT-6 Astra76.0% |
| LMCAReasoning & knowledge · Judge the quality of conceptual arguments like experts | 34.2% | #70of 96 | Claude Sonnet 5.568.3% |
| FrontierMathMaths · Expert-written problems, undergrad to early research (tiers 1–3) | 46.7% | #53of 72 | GPT-6.1 Sol93.7% |
| FrontierMath Tier 4Maths · Exceptionally hard research-level problems | 12.2% | #52of 62 | GPT-6.1 Sol100.0% |
| ProofBenchMaths · Graduate maths proofs verified in Lean 4 | 9.0% | #65of 70 | Claude Sonnet 5.5100.0% |
| OTIS Mock AIMEMaths · Competition-style problems harder than MATH Level 5 | 86.7% | #56of 90 | Gemini 4 Argon100.0% |
Specs
Details
- Model ID
openai/gpt-5-mini- Developer
- OpenAI
- Release date
- Aug 7, 2025 ·
- Context window
- 400,000 tokens
- Max output
- 128,000 tokens
- API price
- $0.25 / $2.00 per 1M input / output tokens
- Providers
- 2
- 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.