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GPT-6 Astra Pro vs o4 Mini

GPT-6 Astra Pro

OpenAI

82#77
vs
o4 Mini

OpenAI

81#79
Signal-by-Signal Comparison
SignalGPT-6 Astra ProDeltao4 Mini
Capabilities
100
--
100
Pricing
50
-46
96
Context window size
96
+12
84
Recency
100
+60
40
Output Capacity
82
+2
80
Benchmarks
0
-84
85
Overall Result
3 wins
of 6
2 wins
GPT-6 Astra Pro wins 3 of 6 signals

Score History

Score History (30 data points)
GPT-6 Astra Proo4 Mini
GPT-6 Astra Pro

81.8

current score

Leader

GPT-6 Astra Pro

right now

o4 Mini

81.4

current score

LMMarketCap.com
Interactive Price Comparison
100Kcalls/month
1,000tokens (~1,333 chars)
500tokens (~667 chars)

GPT-6 Astra Pro

OpenAI

Per request$0.035000
Daily$116.67
Monthly$3500.00
Annual$42000.00

o4 Mini

OpenAI

Best Value
Per request$0.003300
Daily$11.00
Monthly$330.00
Annual$3960.00

o4 Mini saves you $3170.00/month

That's $38040.00/year compared to GPT-6 Astra Pro at your current usage level of 100K calls/month.

91% cheaper
Choose o4 Mini for cost optimization

GPT-6 Astra Pro pricing:
Input:$10.00/M tokens
Output:$50.00/M tokens
o4 Mini pricing:
Input:$1.10/M tokens
Output:$4.40/M tokens
Winner
GPT-6 Astra Pro

OpenAI

82

Composite Score

o4 Mini

OpenAI

81

Composite Score

Signal-by-Signal Comparison
MetricGPT-6 Astra Proo4 MiniWinner
Overall Score
82
81
GPT-6 Astra Pro
Rank#77#79
GPT-6 Astra Pro
Quality Rank#77#79
GPT-6 Astra Pro
Adoption Rank#77#79
GPT-6 Astra Pro
Parameters------
Context Window1050K200K
GPT-6 Astra Pro
Pricing$10.00/$50.00/M$1.10/$4.40/M--
Signal Scores
Capabilities
100
100
GPT-6 Astra Pro
Pricing
50
96
o4 Mini
Context window size
96
84
GPT-6 Astra Pro
Recency
100
40
GPT-6 Astra Pro
Output Capacity
82
80
GPT-6 Astra Pro
Benchmarks--
85
o4 Mini
Benchmark Head-to-Head(11 benchmarks)
GPT-6 Astra: 1o4 Mini: 0
GPT-6 Astra
o4 Mini
Normalized 0-100%
MMLU-Pro
-83%
GPQA Diamond
-81.4%
MATH-500
-97.3%
HumanEval
-95%
SWE-bench Verified
-68.1%
AIME 2024
-93.4%
IFEval
-90%
BBH
-90.5%
Arena Elo
-1380
LiveBench
-72%
HLE
54.8%18.08%
Benchmark Interpretation

Our score (0-100) is driven by benchmark performance (90%) from Arena Elo ratings, MMLU, GPQA, HumanEval, SWE-bench, and 15+ standardized evaluations. Capabilities and context window serve as tiebreakers (10%). Learn more about our methodology.

GPT-6 Astra ProStrong Performer

Scores 82/100 (rank #77), placing it in the top 74% of all 290 models tracked.

Raw Quality0/100
Cost Efficiency0/100
Speed0/100
o4 MiniStrong Performer

Scores 81/100 (rank #79), placing it in the top 73% of all 290 models tracked.

Raw Quality0/100
Cost Efficiency0/100
Speed0/100

With only a 0-point gap, these models are in the same performance tier. The practical difference in output quality is minimal - your choice should depend on pricing, latency requirements, and specific feature needs.

When to Use Each Model

Choose GPT-6 Astra Pro when you need:

  • Processing long documents or large codebases (1050K token context)
  • Step-by-step reasoning and chain-of-thought problem solving

Choose o4 Mini when you need:

  • High-volume production workloads where API costs must be minimized
  • Step-by-step reasoning and chain-of-thought problem solving
Cost-Performance Analysis
GPT-6 Astra Pro
Input cost$10.00/M tokens
Output cost$50.00/M tokens
Cost per quality point$0.733
Est. monthly (1M tokens/day)$900.00
o4 MiniBest Value
Input cost$1.10/M tokens
Output cost$4.40/M tokens
Cost per quality point$0.068
Est. monthly (1M tokens/day)$82.50

o4 Mini offers 91% better value per quality point. At 1M tokens/day, you'd spend $82.50/month with o4 Mini vs $900.00/month with GPT-6 Astra Pro - a $817.50 monthly difference.

Latency & Speed
GPT-6 Astra ProFaster
Speed score0/100
o4 Mini
Speed score0/100

Both models have comparable response speeds. For most applications, the latency difference is negligible.

When latency matters most: Interactive chatbots, IDE code completion, real-time translation, and user-facing applications where response time directly impacts experience. For batch processing, background summarization, or offline analysis, latency is less critical.

Example Use Cases

Code generation & review

Based on overall model capabilities and architecture for coding tasks like generating functions, debugging, and refactoring

GPT-6 Astra Pro

Customer support chatbot

Suitable for user-facing chat with competitive response times. o4 Mini also offers lower per-token costs for high-volume support

GPT-6 Astra Pro

Long document analysis

Larger context window (1050K tokens) can process longer documents, contracts, and research papers in a single pass

GPT-6 Astra Pro

Batch data extraction

Lower output pricing ($4.40/M) reduces costs when processing thousands of records daily

o4 Mini

Creative writing & content

Higher overall composite score (82/100) correlates with better nuance, coherence, and style in long-form content

GPT-6 Astra Pro

Image understanding & OCR

Supports vision input - can analyze screenshots, diagrams, photos, and scanned documents directly

GPT-6 Astra Pro
Which Should You Choose?
Our recommendation:
GPT-6 Astra Pro

GPT-6 Astra Pro and o4 Mini are extremely close in overall performance (only 0.3999999999999915 points apart). Your best choice depends entirely on which specific strengths matter most for your use case.

GPT-6 Astra Pro
Recommended

by OpenAI

  • Choose for Quality - Marginally better benchmark scores; both are excellent
  • Choose for Reliability - Higher uptime and faster response speeds
  • Choose for Prototyping - Stronger community support and better developer experience
  • Choose for Production - Wider enterprise adoption and proven at scale

by OpenAI

  • Choose for Cost - 91% lower pricing; better value at scale
Capability Comparison
CapabilityGPT-6 Astra Proo4 Mini
Vision (Image Input)
Function Calling
Streaming
JSON Mode
Reasoning
Web Search
Image Output
Monthly Cost Calculator
1,000tokens (600 in / 400 out)
100requests/day (3,000/month)

GPT-6 Astra Pro

OpenAI

$78.00
estimated monthly cost

o4 Mini

OpenAI

Best Value
$7.26
estimated monthly cost

o4 Mini saves you $70.74/month

That's 91% cheaper than GPT-6 Astra Pro at 1,000 tokens/request and 100 requests/day.

Assumes 60% input / 40% output token ratio per request. Actual costs may vary based on your usage pattern.

Parameters & Context
ParameterGPT-6 Astra Proo4 Mini
Context Window1.1M200K
Max Output Tokens128,000100,000
Open SourceNoNo
CreatedSep 4, 2026Apr 16, 2025
Last updated: 45m ago

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