Grok 4 vs Jamba 1.5 Large
Side-by-side benchmark comparison across coding, math, reasoning, speed, and pricing.
Grok 4 by xAI and Jamba 1.5 Large by AI21 Labs are evenly matched across 5 benchmarks. This head-to-head comparison covers coding, math, reasoning, speed, and pricing metrics from the AI Value Index.
Category-by-Category Breakdown
Context: In context, both score 256K on Context Length.
Pricing Comparison
Grok 4 costs $3.0/1M input tokens and $15.0/1M output tokens, while Jamba 1.5 Large costs $2.0/1M input and $8.0/1M output. Jamba 1.5 Large is the more affordable option for API usage.
Speed Comparison
Grok 4 generates output at 55 tok/s compared to Jamba 1.5 Large's 19 tok/s, and the time to first token is 500 ms for Grok 4 versus 540 ms for Jamba 1.5 Large. Grok 4 delivers faster throughput.
Verdict
For developers prioritizing speed, Grok 4 has the edge. For those who value affordability, Jamba 1.5 Large is the stronger choice.
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Grok 4 vs Jamba 1.5 Large — FAQ
Which is better, Grok 4 or Jamba 1.5 Large?
Grok 4 and Jamba 1.5 Large are evenly matched across benchmarks. The best choice depends on your specific priorities such as coding ability, speed, or pricing.
How does Grok 4 compare to Jamba 1.5 Large for coding?
SWE-bench Verified data is not available for both models. Check the detailed comparison charts above for other coding-related metrics.
Is Grok 4 cheaper than Jamba 1.5 Large?
Yes, Jamba 1.5 Large is cheaper. Grok 4 costs $3.0/1M input and $15.0/1M output tokens. Jamba 1.5 Large costs $2.0/1M input and $8.0/1M output tokens.
Which is faster, Grok 4 or Jamba 1.5 Large?
Grok 4 is faster, generating output at 55 tok/s compared to 19 tok/s. Faster output speed means shorter wait times for API responses.
What benchmarks does the Grok 4 vs Jamba 1.5 Large comparison cover?
This comparison covers 5 benchmarks including Output Speed, Time to First Token, Input Cost, Output Cost, Context Length. Metrics span general intelligence, coding, math, reasoning, speed, and cost categories.