GPT-5.3 Codex Spark OpenAI
💰 Total Cost Calculation (from Plugin)
Output: $0.007000 (rounded ~ $0.01)
Output: $0.007000 (rounded ~ $0.01)
Unit: $0.000000
Fees: $0.000000
Detailed Cost Analysis (from Plugin)
For 5,000 input tokens and 500 output tokens:
- Input Cost: $0.008750 (rounded ~ $0.01)
- Output Cost: $0.007000 (rounded ~ $0.01)
- Total Cost: $0.010238
- Cost per 1K tokens: $0.001861
- Tokens per dollar: 537,241 tokens
- Context Window: 200000 tokens
Speed & Performance Analysis
With a processing speed of 1,000 tokens per second and 100ms time to first token:
- Processing Time: 6.07 seconds
- Latency: 100 milliseconds to first token
- Base Throughput: 1,000 tokens/second
- Effective Throughput: 935 tokens/second (temperature-adjusted)
Best Use Cases
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← Back to GPT-5.3 Codex Spark| Rank | AI Model & Provider | Total Cost | vs GPT-5.3 Codex Spark |
|---|---|---|---|
| 🏆 |
Mistral Small 3
Mistral AI
|
$0.000335 Best Value | ↓ 96.7% cheaper |
| 🥈 |
Grok Code Fast 1
xAI
|
$0.001120 | ↓ 89.1% cheaper |
| 🥉 |
Gemini 3.1 Flash Lite
Google
|
$0.001213 | ↓ 88.2% cheaper |
| #4 |
Mistral Large 3
Mistral AI
|
$0.001675 | ↓ 83.6% cheaper |
| #5 |
Gemini 2.5 Flash
Google
|
$0.001805 | ↓ 82.4% cheaper |
| #6 |
Gemini 3.1 Flash
Google
|
$0.002425 | ↓ 76.3% cheaper |
| #7 |
Kimi K2.5
Moonshot AI
|
$0.002757 | ↓ 73.1% cheaper |
| #8 |
Grok 4.3
xAI
|
$0.003563 | ↓ 65.2% cheaper |
| #9 |
GPT-5.4 mini
OpenAI
|
$0.003638 | ↓ 64.5% cheaper |
| #10 |
o4-mini Deep Research
OpenAI
|
$0.003850 | ↓ 62.4% cheaper |
| #11 |
Kimi K2.6
Moonshot AI
|
$0.003990 | ↓ 61% cheaper |
| #12 |
o4-mini
OpenAI
|
$0.004235 | ↓ 58.6% cheaper |
| #13 |
Claude Haiku 4.5
Anthropic
|
$0.004350 | ↓ 57.5% cheaper |
| #14 |
Grok 4.20 Beta
xAI
|
$0.006700 (rounded ~ $0.01) | ↓ 34.6% cheaper |
| #15 |
Gemini 3.5 Flash
Google
|
$0.007275 (rounded ~ $0.01) | ↓ 28.9% cheaper |
| #16 |
Gemini 2.5 Pro
Google
|
$0.007313 (rounded ~ $0.01) | ↓ 28.6% cheaper |
| #17 |
Gemini 3.1 Pro
Google
|
$0.009700 | ↓ 5.3% cheaper |
| #18 |
GPT-5.3 Instant
OpenAI
|
$0.010238 | Same price |
| #19 |
GPT-5.4
OpenAI
|
$0.012125 (rounded ~ $0.01) | ↑ 18.4% more |
| #20 |
GPT-5.4 Thinking
OpenAI
|
$0.012125 (rounded ~ $0.01) | ↑ 18.4% more |
| #21 |
Claude Sonnet 4.6
Anthropic
|
$0.013050 (rounded ~ $0.01) | ↑ 27.5% more |
| #22 |
Claude Opus 4.7
Anthropic
|
$0.021750 (rounded ~ $0.02) | ↑ 112.5% more |
| #23 |
Claude Opus 4.8
Anthropic
|
$0.021750 (rounded ~ $0.02) | ↑ 112.5% more |
| #24 |
Claude Opus 4.6
Anthropic
|
$0.021750 (rounded ~ $0.02) | ↑ 112.5% more |
| #25 |
GPT-5.5
OpenAI
|
$0.024250 (rounded ~ $0.02) | ↑ 136.9% more |
| #26 |
GPT-5.5 Instant
OpenAI
|
$0.024250 (rounded ~ $0.02) | ↑ 136.9% more |
| #27 |
o3 Deep Research
OpenAI
|
$0.038500 (rounded ~ $0.04) | ↑ 276.1% more |
| #28 |
o3 Pro
OpenAI
|
$0.077000 (rounded ~ $0.08) | ↑ 652.1% more |
| #29 |
GPT-5.2 Pro
OpenAI
|
$0.122850 (rounded ~ $0.12) | ↑ 1100% more |
| #30 |
GPT-5.2 Pro
OpenAI
|
$0.122850 (rounded ~ $0.12) | ↑ 1100% more |
Mistral Small 3 Mistral AI
Grok Code Fast 1 xAI
Gemini 3.1 Flash Lite Google
Mistral Large 3 Mistral AI
Gemini 2.5 Flash Google
Gemini 3.1 Flash Google
Kimi K2.5 Moonshot AI
Grok 4.3 xAI
GPT-5.4 mini OpenAI
o4-mini Deep Research OpenAI
Kimi K2.6 Moonshot AI
o4-mini OpenAI
Claude Haiku 4.5 Anthropic
Grok 4.20 Beta xAI
Gemini 3.5 Flash Google
Gemini 2.5 Pro Google
Gemini 3.1 Pro Google
GPT-5.3 Instant OpenAI
GPT-5.4 OpenAI
GPT-5.4 Thinking OpenAI
Claude Sonnet 4.6 Anthropic
Claude Opus 4.7 Anthropic
Claude Opus 4.8 Anthropic
Claude Opus 4.6 Anthropic
GPT-5.5 OpenAI
GPT-5.5 Instant OpenAI
o3 Deep Research OpenAI
o3 Pro OpenAI
GPT-5.2 Pro OpenAI
GPT-5.2 Pro OpenAI
For IDEs seeking to enhance developer productivity with inline code suggestions, understanding the cost dynamics of specialized models is crucial. GPT-5.3 Codex Spark is engineered specifically for real-time coding assistance, offering near-instantaneous responses essential for maintaining a fluid development workflow. Its strength lies in its ability to quickly generate relevant code snippets, understand complex code structures within its context window, and integrate seamlessly into developer tools like IDE extensions.
While it may not possess the same depth of general reasoning as broader models, its optimization for speed and code accuracy makes it a prime candidate for immediate, context-aware suggestions. The model’s ability to process up to 128K tokens means it can effectively analyze substantial portions of existing code to provide highly relevant suggestions, balancing rapid iteration with the need for intelligent code completion. This focus on developer experience through speed and specialized coding intelligence positions GPT-5.3 Codex Spark as a valuable asset for any modern IDE.