Gemini 4 Carbon vs Jamba Large 1.7.
Verdict by category, tale of the tape, shared benchmarks only, and cost at three workloads — all from the tracked data.
Verdict by category
| Category | Gemini 4 Carbon | Jamba Large 1.7 | Winner |
|---|---|---|---|
| League Score | — | 0.0 | — |
| Coding (SWE-bench %) | — | — | — |
| Reasoning (GPQA %) | — | — | — |
| Context (tokens) | 1000000 | 256000 | Gemini 4 Carbon |
| Speed (tok/s) | — | — | — |
Tale of the tape
| Spec | Gemini 4 Carbon | Jamba Large 1.7 |
|---|---|---|
| Maker | Google DeepMind | AI21 Labs |
| Released | Oct 28, 2026 | Jan 15, 2026 |
| League Score | — | 0 |
| Context | 1,000,000 tokens | 256,000 tokens |
| Max output | — | — |
| $/1M input | $2.00 | — |
| $/1M output | $10.00 | — |
| Weights | Closed | Open |
| Speed | — | — |
Head-to-head benchmarks (shared only)
| Benchmark | Gemini 4 Carbon | Jamba Large 1.7 |
|---|---|---|
| No shared benchmark measurements yet — shown as not measured, never interpolated. | ||
Cost at three workloads
| Workload | Gemini 4 Carbon | Jamba Large 1.7 |
|---|---|---|
| Light — 1M in / 250K out | $4.50 | — |
| Standard — 10M in / 2.5M out | $45.00 | — |
| Long-context — 50M in / 5M out | $150.00 | — |
The pick
Pick Gemini 4 Carbon if you need the bigger context window.
Pick Jamba Large 1.7 if you want downloadable weights / self-hosting.
All figures from the model database — sources and dates on each model page. Cost your own workload or compare a different pair.
Frequently asked questions
Which is cheaper, Gemini 4 Carbon or Jamba Large 1.7?
Only Gemini 4 Carbon has published API pricing in our database ($4.00 blended per 1M tokens); Jamba Large 1.7 has no tracked API price, so a like-for-like cost verdict is not possible.
Which has the bigger context window, Gemini 4 Carbon or Jamba Large 1.7?
Gemini 4 Carbon, with 1M of context against 256K for Jamba Large 1.7.
Are Gemini 4 Carbon and Jamba Large 1.7 open source?
Gemini 4 Carbon is closed weights — API access only; Jamba Large 1.7 is open weights — it can be downloaded and self-hosted.