MODEL VERSIONS ON THIS PAGE HAVE MOVED — CHECKED 8 OCTOBER 2026
Current line, with published API pricing per million tokens:
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OpenAI — GPT-6 Sol (paid ChatGPT), GPT-6 Luna ($0.10 / $0.50), GPT-6.1 Sol ($2.00 / $10.00), GPT-6 Astra
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Anthropic — Claude Opus 5.5, Sonnet 5.5 ($2.00 / $10.00), Haiku 5.5 ($0.10 / $0.50 below 100K), Fable 5.1
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xAI — Grok 4.3 ($1.25 / $2.50), Grok 4.7 ($2.00 / $6.00)
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Google — Gemini 3.5 Flash-Lite ($0.30 / $2.50), Gemini 3.8 Flash ($0.75 / $3.75 to 31 Dec), Gemini 4 Argon
The comparison below is kept because the reasoning still holds — how these tiers trade price against capability has not changed. The version numbers and prices have.
Current pricing table →
QUICK VERDICT — JULY 23, 2026
● Cheapest input: DeepSeek V4 Pro — $0.44/M vs 3.6 Flash $1.50/M (3x cheaper)
● Fastest output: Gemini 3.6 Flash — 304 tok/s
● Computer Use: Gemini 3.6 Flash only
● US data residency: Gemini 3.6 Flash — Google infrastructure
● Thinking mode: V4 Pro defaults ON — set OFF for fast tasks
● Deadline note: deepseek-chat and deepseek-reasoner aliases break July 24 at 15:59 UTC
| Model | Input /1M | Output /1M | Speed | Computer Use | Data |
|---|
| DeepSeek V4 Pro | $0.44 | $0.87 | N/A | No | China NI Law ⚠ |
| Gemini 3.6 Flash | $1.50 | $7.50 | 304 tok/s | Built in | US ✓ |
DeepSeek V4 Pro: Maximum cost efficiency for text generation, reasoning, and coding where data residency is not a constraint. 3x cheaper than Flash. Strong on complex reasoning tasks (thinking ON by default). Best for non-regulated high-volume workloads with no browser automation needs.
Gemini 3.6 Flash: Agentic pipelines needing Computer Use, regulated workloads requiring US data residency, high-speed outputs (304 tok/s), and teams in the Google ecosystem. Worth the 3x price premium if any of these apply.
Last updated July 23, 2026. Related: DeepSeek V4 migration guide → · Gemini 3.6 Flash vs GPT-5.6 Terra →