vs
2:6
overall capability wins (0 ties across 8 scored). GPT-4.1 Nano leads overall.
- Reasoning2:3
- Arena0:1
- Pricing0:3
- Speed0:2
- Specs0:2
Verdict
GPT-4.1 Nano edges reasoning & knowledge; GPT-4.1 Nano ranks higher on LMArena (+35 Elo); GPT-4.1 Nano offers ~122.1x larger context (1M vs 8K).
- GPT-4.1 Nano edges reasoning & knowledge
- GPT-4.1 Nano ranks higher on LMArena (+35 Elo)
- GPT-4.1 Nano offers ~122.1x larger context (1M vs 8K)
- GPT-4.1 Nano allows ~4.0x more max output (33K vs 8K)
- GPT-4.1 Nano is ~214.3x cheaper on a blended token basis than GPT-4
Cost for 1M in + 250K out
Illustrative chat workload at primary-provider list prices.
- GPT-4
- $45
- GPT-4.1 Nano
- $0.20
GPT-4.1 Nano is about 225.0x cheaper on this workload.
Price per 1M tokens
Full comparison
Organization
OpenAI
OpenAI
Family
GPT-4 / o-series
GPT-4 / o-series
License
Proprietary
Proprietary
Open weights
No
No
Release
Mar 14, 2023
Apr 14, 2025
Knowledge cutoff
-
-
API / provider
OpenAI
OpenAI
Modalities
text → text
text, image → text
Specs
Context window
8K
1M
Max output
8K
33K
Parameters
—
—
Pricing
Input $/1M
$30
$0.10
Output $/1M
$60
$0.40
Blended $/1M (3∶1)
$37.50
$0.18
Speed
tok/s
35
160
TTFT (s)
0.8
0.18
Reasoning
MMLU-Pro
56.2
65.7
GPQA Diamond
34.9
51.2
Humanity's Last Exam
—
3.8
AIME 2025
—
24.0
MATH-500
56.8
84.8
Humanity's Last Exam (with tools)
—
—
AA-Omniscience Accuracy
21.0
13.7
AA-LCR v1.1
—
20.3
CritPt
—
—
MMMU-Pro
—
40.1
IFBench
33.2
32.0
Chartography
—
—
Chartography (With Tools)
—
—
Coding
SWE-bench Verified
—
—
SWE-bench Pro
—
—
SWE-bench Multilingual
—
—
LiveCodeBench
—
32.6
Terminal-Bench 2.1
—
3.7
Aider Polyglot
—
8.9
Terminal-Bench 3
—
—
BigCodeBench
—
—
SciCode
—
25.9
CursorBench
—
—
SWE-Rebench
—
0.3
NL2Repo-Bench
—
—
DeepSWE
—
—
WebDev Arena
—
—
Terminal-Bench 4.0
—
—
CursorBench 4.0
—
—
FrontierCode v1.1 (Main)
—
—
Arena
LMArena Elo
1,288
1,322
| Metric | GPT-4 | GPT-4.1 Nano | Delta |
|---|---|---|---|
| Identity | |||
| Organization | OpenAI | OpenAI | — |
| Family | GPT-4 / o-series | GPT-4 / o-series | — |
| License | Proprietary | Proprietary | — |
| Open weights | No | No | — |
| Release | Mar 14, 2023 | Apr 14, 2025 | — |
| Knowledge cutoff | - | - | — |
| API / provider | OpenAI | OpenAI | — |
| Modalities | text → text | text, image → text | — |
| Specs | |||
| Context window | 8K | 1M | B +992K |
| Max output | 8K | 33K | B +25K |
| Parameters | — | — | — |
| Pricing | |||
| Input $/1M | $30 | $0.10 | B +$29.90 |
| Output $/1M | $60 | $0.40 | B +$59.60 |
| Blended $/1M (3∶1) | $37.50 | $0.18 | B +$37.33 |
| Speed | |||
| tok/s | 35 | 160 | B +125 |
| TTFT (s) | 0.8 | 0.18 | B +0.62 |
| Reasoning | |||
| MMLU-Pro | 56.2 | 65.7 | B +9.5 pts |
| GPQA Diamond | 34.9 | 51.2 | B +16.3 pts |
| Humanity's Last Exam | — | 3.8 | — |
| AIME 2025 | — | 24.0 | — |
| MATH-500 | 56.8 | 84.8 | B +28.0 pts |
| Humanity's Last Exam (with tools) | — | — | — |
| AA-Omniscience Accuracy | 21.0 | 13.7 | A +7.3 pts |
| AA-LCR v1.1 | — | 20.3 | — |
| CritPt | — | — | — |
| MMMU-Pro | — | 40.1 | — |
| IFBench | 33.2 | 32.0 | A +1.2 pts |
| Chartography | — | — | — |
| Chartography (With Tools) | — | — | — |
| Coding | |||
| SWE-bench Verified | — | — | — |
| SWE-bench Pro | — | — | — |
| SWE-bench Multilingual | — | — | — |
| LiveCodeBench | — | 32.6 | — |
| Terminal-Bench 2.1 | — | 3.7 | — |
| Aider Polyglot | — | 8.9 | — |
| Terminal-Bench 3 | — | — | — |
| BigCodeBench | — | — | — |
| SciCode | — | 25.9 | — |
| CursorBench | — | — | — |
| SWE-Rebench | — | 0.3 | — |
| NL2Repo-Bench | — | — | — |
| DeepSWE | — | — | — |
| WebDev Arena | — | — | — |
| Terminal-Bench 4.0 | — | — | — |
| CursorBench 4.0 | — | — | — |
| FrontierCode v1.1 (Main) | — | — | — |
| Arena | |||
| LMArena Elo | 1,288 | 1,322 | B +35 Elo |
GPT-4
- Context
- 8K / 8K out
- Parameters
- —
- Price
- $30 / $60
- Speed
- 35 tok/s · 0.8s TTFT
- Modalities
- text → text
- License
- Proprietary
Original GPT-4 (gpt-4-0613) — 8K-context text flagship that defined the 2023 API era before Turbo / 4o.
GPT-4.1 Nano
- Context
- 1M / 33K out
- Parameters
- —
- Price
- $0.10 / $0.40
- Speed
- 160 tok/s · 0.18s TTFT
- Modalities
- text, image → text
- License
- Proprietary
Cheapest GPT-4.1 tier for classification, routing, and high-volume extraction with a full 1M context window.
Benchmark charts
Winner bars are emphasized. Per-benchmark deltas sit above each chart.