modelbenchmark.io

GPT-5 Nano

OpenAI · gpt-5-nano

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Tiny GPT-5 lane for routing, extraction, classification, and bulk jobs

Specification

openai listing

Context
400K
Max output
128K
Released
2025-08-07
Knowledge cutoff
2024-05-30
Retires
2026-12-11
Open weights
no
Input
text, image
Output
text

Price

US dollars per million tokens · openai list price

Input
$0.05
Output
$0.40
Cache read
$0.005
Cache write
$0.05

Batch and priority prices

US dollars per million tokens · per listing

PriceListing$/M
Batch inputopenai$0.025
Batch outputopenai$0.20
Priority inputopenai$2.50

Batch input is 50% below the interactive input price at the same listing.

Quality

11 benchmarks · 2 sources

Composite
40th
percentile of 334 scored models
Rank
202 / 334
±0.05 sd
Evidence
11 × 2
3 or more benchmarks, from 2 or more sources
Effort range
10.8
points between effort settings
coding19th1/3 bench
reasoning49th3/4 bench
math44th6/7 bench
knowledge6th1/1 bench

By reasoning effort

every setting placed on the same scale as the leaderboard

SettingCompositeBenchmarks behind it
medium52nd7
high46th10
low26th5

Every score

one row per source and configuration — nothing averaged away

BenchmarkScoreConfigurationSourceRun
MATH level 595.2 ±0.5mediumEpoch AI2025-08-20
94.9 ±0.5highEpoch AI2025-08-20
Settings differ by 0.3 points on this benchmark.
OTIS Mock AIME 2024-202581.1 ±4.6highEpoch AI2025-10-31
74.2 ±5.2mediumEpoch AI2025-08-07
41.1 ±7.5low · 2 runsEpoch AI2026-07-13
Settings differ by 40.0 points on this benchmark.
GPQA diamond69.4 ±2.8highEpoch AI2025-10-30
67.4 ±2.7mediumEpoch AI2025-08-07
53.0 ±3.5low · 2 runsEpoch AI2026-07-13
Settings differ by 16.4 points on this benchmark.
Chess Puzzles27.0 ±4.5highEpoch AI2026-08-07
8.0 ±3.6low · 2 runsEpoch AI2026-07-13
Settings differ by 19.0 points on this benchmark.
FrontierMath-v114.1 ±13.3high · 2 runsEpoch AI2025-10-30
8.6 ±10.0medium · 2 runsEpoch AI2025-08-07
Settings differ by 5.5 points on this benchmark.
FrontierMath-Tier-4-2025-07-011.0 ±2.1medium · 2 runsEpoch AI2025-08-07
0.0 ±0.0high · 2 runsEpoch AI2025-10-30
Settings differ by 1.0 points on this benchmark.
Mystery Game Puzzles9.0 ±2.9mediumEpoch AI2026-08-27
8.0 ±2.7highEpoch AI2026-08-27
7.0 ±2.9low · 2 runsEpoch AI2026-08-27
Settings differ by 2.0 points on this benchmark.
SWE-Bench verified34.8medium · mini-SWE-agentSWE-bench
FrontierMath-Tier-4-v22.4 ±2.4highEpoch AI2026-06-12
FrontierMath-Tiers-1-3-v220.0 ±2.4highEpoch AI2026-06-12
3.9 ±0.8low · 2 runsEpoch AI2026-08-27
Settings differ by 16.1 points on this benchmark.
SimpleQA Verified11.7 ±1.0highEpoch AI2026-08-10

The leading figure for a benchmark is the median across its configurations, so one heroic high-effort run cannot set the number.

Available from 29 hosts

HostIn $/MOut $/MCache rdCache wrContextOutputRetires
openaivendor$0.05$0.40$0.005
400K
272K
128K2026-12-11
jiekou$0.045$0.36400K128K
poe$0.045$0.36$0.0045400K128K
abacus$0.05$0.40$0.005400K128K
azure
$0.05
$0.055
$0.40
$0.44
$0.01
$0.0055
$0.005
400K
272K
128K2027-02-09
azure-cognitive-services$0.05$0.40$0.01400K128K
cloudflare-ai-gateway$0.05$0.40$0.005128K128K
databricks$0.05$0.40$0.005$0.05
400K
272K
128K
edenai$0.05$0.40$0.005400K128K
fastrouter$0.05$0.40$0.005400K128K
helicone$0.05$0.40$0.005400K128K
impossibl$0.05$0.40$0.005400K128K
kilo$0.05$0.40$0.005400K128K
llmgateway$0.05$0.40$0.005400K128K
llmgateway-providers$0.05$0.40$0.005400K128K
merge-gateway$0.05$0.40$0.005400K128K
nano-gpt$0.05$0.40$0.005400K128K
nearai$0.05$0.40$0.005400K128K
neon$0.05$0.40$0.005400K128K
oci · oci$0.05$0.40272K128K
ofox$0.05$0.40$0.01400K128K
opencode$0.05$0.40$0.005400K128K
openrouter$0.05$0.40$0.005
400K
272K
128K
orcarouter$0.05$0.40$0.005400K128K
pioneer$0.05$0.40$0.005$0.05400K128K
replicate · replicate$0.05$0.40
sap-ai-core$0.05$0.40$0.005400K128K
vercel$0.05$0.40$0.005400K128K
cortecs$0.06$0.439$0.019400K128K

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