Output tokens cost $3.96 per million on fireworks-deepseek-v4-pro-0813 and $6.00 per million on grok-4.5. Input tokens cost $1.32 per million on fireworks-deepseek-v4-pro-0813 and $2.00 per million on grok-4.5. Cached input tokens are billed at $0.04 per million on fireworks-deepseek-v4-pro-0813 and $0.50 per million on grok-4.5. Context lengths are 1,000,000 tokens on fireworks-deepseek-v4-pro-0813 and 500,000 tokens on grok-4.5. Time to first token (TTFT) measured on AIHubMix is 1.7s on fireworks-deepseek-v4-pro-0813 and 2.2s on grok-4.5. Measured output throughput is 39.1 tok/s on fireworks-deepseek-v4-pro-0813 and 35.3 tok/s on grok-4.5.
fireworks-deepseek-v4-pro-0813
grok-4.5DeepSeek-V4 features an ultra-long context of one million characters and achieves leading performance domestically and in the open-source domain in agent capabilities, world knowledge, and reasoning.
Grok 4.5 was trained on datasets spanning knowledge in coding, science, engineering, and math. With both intelligent and efficient reasoning, Grok 4.5 excels at real engineering tasks and exceeds comparable leading models at these tasks.
Prices are per million tokens. Time to First Token and throughput are rolling averages measured on AIHubMix.
Promotional prices show the discounted rate; see each model page for promotion windows.
Daily traffic served through AIHubMix — how demand for each model is trending.
Measured on real AIHubMix traffic, hourly buckets. Gaps mean no traffic in that hour.
Estimate your monthly bill for the same workload on each model.
Monthly = daily × 30. Discounted rates applied where a promotion is active.
fireworks-deepseek-v4-pro-0813: $3.96/M output tokens; grok-4.5: $6.00/M. Use the cost calculator above to estimate your own workload.
fireworks-deepseek-v4-pro-0813: 1.7s time to first token measured on AIHubMix; see the live performance charts above for how each model behaves across the day.
fireworks-deepseek-v4-pro-0813 accepts 1,000,000 and grok-4.5 accepts 500,000 input tokens. Maximum output per request is 384,000 tokens on fireworks-deepseek-v4-pro-0813 and 500,000 tokens on grok-4.5.
fireworks-deepseek-v4-pro-0813 at 39.1 tok/s and grok-4.5 at 35.3 tok/s, measured as output throughput on AIHubMix — a separate metric from time to first token.
fireworks-deepseek-v4-pro-0813 accepts text input and supports tool calling, function calling, structured outputs and thinking; grok-4.5 accepts text and image input and supports thinking, tool calling, function calling, structured outputs and long context.
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