DeepSeek-V4.1-Flash vs GPT-5.6 Sol
DeepSeek-V4.1-Flash is about 15.2× cheaper than GPT-5.6 Sol on blended token cost ($0.525 vs $8 per 1M). DeepSeek-V4.1-Flash (DeepSeek) is $0.525/1M blended, 1M context. GPT-5.6 Sol (OpenAI) is $8/1M blended, 1.1M context.
Last verified: 26 Sep 2026 · prices from official provider documentation
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| Spec | DeepSeek-V4.1-Flash | GPT-5.6 Sol |
|---|---|---|
| Provider | DeepSeek | OpenAI |
| Status | GA | GA |
| Input $/1M | $0.3 ◎ | $4 |
| Output $/1M | $1.20 ◎ | $20 |
| Blended $/1M | $0.525 ◎ | $8 |
| Context | 1M | 1.1M ◎ |
| Max output | 384K | 128K |
| Cutoff | — | 2026-02-16 |
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The last few changes we caught — this is what lands in your inbox:
- DeprecatingGoogle re-pointed the Gemini 2.5 TTS migration path past the 3.1 preview and onto the new GA 3.8 TTS models
- New modelGemini 3.8 Flash TTS is GA - a flagship text-to-speech model at under half the audio rate of the preview it replaces, on a two-column price schedule
- New modelGemini 3.8 Flash-Lite TTS is GA - Google's cost-efficient TTS, which Google says was built to replace Gemini 3.1 Flash TTS
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