Pairwise benchmark snapshot · Aug 17, 2026noindex (thin pair)
In this head-to-head showdown, OpenAI: GPT-5.6 Luna Pro (batch) is more budget-friendly at $0.6/1M per 1M output tokens. Review the complete breakdown below to determine which model best fits your performance and budget requirements.
Google Aug 13 2026 workhorse. Official intro price $0.75/$3.75 per 1M through Dec 31 2026; 1,048,576-token context (Google blog).
Auto-discovered from OpenRouter (openai/gpt-5.6-luna-pro:batch). Preview until a second source matches.
Speed, cost, and intelligence tradeoffs across the Google lineup
Single model data
No latency data
$0.6 / 1M output
Relative percentile scores computed across all active models in the benchmark catalog.
Each spoke is a skill. Farther from the center is better (0–100th percentile). Tap any dot to inspect details.
Category wins across reasoning intelligence, generation speed, and token cost.
Preference Elo, Coding proficiency, SWE-bench & LiveBench accuracy
Generation throughput and time to first token responsiveness
Cost per million tokens and max context window length
| Benchmark | Gemini 3.7 Flash | OpenAI: GPT-5.6 Luna Pro (batch) | Advantage Delta |
|---|---|---|---|
| Preference Elo | — | — | |
| Coding Elo | — | — | |
| LiveBench | — | — | |
| SWE-bench | — | — | |
| GPQA Diamond | — | — | |
| Time to first token | — | — | |
| Output speed | 215 tok/s | — | — |
| Input price | $0.375/1M | $0.1/1M | OpenAI: GPT-5.6 Luna Pro (batch) (+$0.275/1M) |
| Output price | $1.88/1M | $0.6/1M | OpenAI: GPT-5.6 Luna Pro (batch) (+$1.28/1M) |
| Context window | OpenAI: GPT-5.6 Luna Pro (batch) (+1k) |
Simulate monthly production API costs in USD (US Dollar).
OpenAI: GPT-5.6 Luna Pro (batch) is estimated to save $28.75/month ($345/year).
Need SWE-bench on both sides.
Lower output list price ($0.6/1M).
Need TTFT on both sides.
Larger window (1.1M).
Gemini 3.7 Flash is the side marked multimodal in the catalog.
| Target Workload | Recommended Pick | Evaluation Rationale |
|---|---|---|
| Repo / coding agents | insufficient data | Need SWE-bench on both sides. |
| High-volume chat | OpenAI: GPT-5.6 Luna Pro (batch) | Lower output list price ($0.6/1M). |
| Voice / low-latency UI | insufficient data | Need TTFT on both sides. |
| Long-document RAG | OpenAI: GPT-5.6 Luna Pro (batch) | Larger window (1.1M). |
| Screenshots / vision | Gemini 3.7 Flash | Gemini 3.7 Flash is the side marked multimodal in the catalog. |
3.7 Flash vs 3.6 Pro is the current Google volume-versus-upgrade pair.
Jul 21 workhorse that inherited $0.75/$3.75 through year-end. Keep the row; 3.7 is the newer sibling.
Google’s current workhorse drop. Official intro list and 1,048,576-token context. Compare to Luna and Haiku.
2M context, Pro-class Elo and coding. Upgrade path from Flash is this page, not a vibe check.
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Verified head-to-head card
compare · Aug 13, 2026
Gemini Flash vs Pro: when Flash is the whole product
price · Aug 13, 2026
Gemini 3.6 Flash (Jul 21) now shares the 3.7 intro rate
launch · Aug 13, 2026
Gemini 3.7 Flash (Aug 13): $0.75/$3.75 intro through Dec 31 2026
launch · Jul 15, 2026
Gemini 3.6 Pro: Google’s current Pro-class long-context row
